Detective Riddles 🕵️‍♂️ in 2023

A woman who opened the door after she heard knocking was greeted by a man who automatically apologized for thinking the woman’s room was his. The woman decided to call the police. Why did she call them?

A king has no sons, no daughters, and no queen. For this reason, he must decide who will take the throne after he dies. To do this he decides that he will give all of the children of the kingdom a single seed. Whichever child has the largest, most beautiful plant will earn the throne. At the end of the contest all of the children came to the palace with their enormous and beautiful plants in hand. After he looks at all of the children’s pots, he finally decides that the little girl with an empty pot will be the next queen. Why did he choose this little girl over all of the other children with their beautiful plants?

A woman calls up the police to say that her grandmother’s ring had been stolen. When they visit her house, they see broken glass on the lawn and dirty footprints. They arrest the woman. Why?

A killer told a detective that he would commit his next crime in the only place in Paris that you couldn’t see the Eiffel Tower. How did the detective end up catching him?

A happily married couple goes on holiday and locks their house up, with careful instructions for their neighbor to look after the house. The wife hides her jewelry in a very safe place, but when she comes back, it’s gone. Why?

An old man told a detective a story about how he fought during the first world war and received a medal that said ‘Award for Courage and Valor: World War 1’. The detective automatically knew he was lying. How did he know?

On a cold winter day, there was a man standing in front of someone’s house. He didn’t move until the spring, and the owner didn’t mind. Eventually, the man left. Who was he?

Mark automatically recognized a detective he’d heard about but didn’t know a physical description of and had never met in real life. How did he know who he was?

There were three men swimming in the ocean. When an ocean guard called them to stay away from water due to high tides. He noticed that only two men’s hair was wet. What about the third man?

A detective comes to a crime scene where a man is said to have jumped out of a window and committed suicide. The detective goes into the building, goes to to a window that faces the man, opens it and then throws a stone through it. He repeats this action in all the floors of the building. He outright concluded that it was a murder case and not a suicide. How did he find out?

A man walks into his house only to hear his wife shout, ‘no John, don’t shoot!’. The man bursts into the kitchen where he sees his wife on the floor, and a doctor, a lawyer, and a policeman standing by her. He immediately knows who shot her. How?

A wealthy woman lived in a completely circular home. One morning, she is found dead in the front yard. A detective comes along and asks the staff questions. The driver says he was washing the car, the maid says she was hoovering in the corners, and the cook says she was preparing lunch. Who is guilty?

Marta visits her friend Elisa but finds her dead in her house. The police question Marta as to why she thinks Elisa is dead, and how she found out, and she says that she knocked on the door and the window, and when she saw a light on, she breathed on the iced glass to see in. The police arrest Marta for murder. Why?

A man hanged through the ceiling in his ice factory. There was nothing except a small puddle of water in the room. No chair or a table was there to climb up. How did he manage to hang himself?

A man who crossed the border daily on a motorbike with two bags of sand was said to be smuggling goods, but when the detective checked his bags, he found nothing. Why did the police arrest him?

On the first day of school, someone murdered a history teacher. There were four people at the school that the police suspected had done it: the landscaper, a math teacher, a basketball coach, and the principal. These were their alibis:

The landscaper said he was outside mowing the lawn.

The math teacher said he was giving a mid-year test.

The basketball coach said he was running practice drills with his players.

The principal said she was in her office.

After giving their alibies, the police arrested the killer immediately. Who killed the history teacher and how did the police know?

A couple went to Hawaii for their honeymoon. Unfortunately, the husband returned home alone because his wife had died in a horrible boating accident. The police contacted the travel agent he booked the trip with and arrested him for murdering his wife. How did they know he did it?

A woman shoots her husband, then holds him under water for five minutes. A little while later, they both go out and enjoy a wonderful dinner together. How can this be?

On a Sunday morning, the police are called to a big house because the owner was found dead. The husband said he was asleep, the butler said he was cleaning the car, the gardener said she was picking vegetables, the maid said she was collecting the mail, and the cook said she was preparing breakfast. Who committed the crime?

A crime was committed in the middle of a forest, which left the police stumped. Who did it?

A man was found dead while on holiday in the UK. The suspects were Margret, Mason, Bill, Laura, and Alexa. On the calendar, 3, 4, 9, 10, 11 were written in blood. How to decode the numbers to find the killer?

One winter morning, Mr Wilson found a man standing in the middle of the front yard. The man stayed in the yard for several weeks, but Mr Wilson didn’t mind. Eventually, the man disappeared. Who was he?

A man returned his cup of tea because there was a fly in it. However, he becomes furious when he is given the same cup of tea back. How did he know it was the same cup of tea?

A truck driver is going down a one-way street in the wrong direction. A police car drives past him but doesn’t stop him. Why?

A couple goes on a camping trip, but only the husband returns. He claims that his wife fell off a cliff and died. When the detective gets in touch with the travel agent, he immediately arrests the husband. Why?

A man was shot in his car. There are no gunpowder residues on his clothing, no bullet holes in the windows of the car, and the doors and windows are all locked. How was he shot?

Why did a woman call the police over a man who knocked on her door and claimed that he thought the room was his?

A policeman found a dead person in the middle of the desert. There were no footprints around him. Who would be the prime suspect?

A detective told his wife he’d be home at 8:30 and came home at 8:30. Then why was the detective’s wife angry with him?

A woman was murdered on Orient Street. It was said that the woman was walking on the pathway when she was suddenly shot in the face. A man named Dean Miller claimed to have witnessed the murder. According to the police, the killer had black hair, brown eyes and wore a baggy suit. The detective asked Dean to tell him what he saw on that day.

Dean said, “ I was walking in the park when the killer suddenly appeared behind the woman and shot her.” The detective then asked Dean to describe the killer. Dean said, “He had blonde hair, blue eyes and wore a baggy suit.” The detective knew Dean was lying. How?

A man is locked in jail. His cell has a dirt floor and a window high up on the wall. There’s also a shovel in the cell. How does he escape?

A policeman found a dead man in the desert. He could only trace the tracks on the sand. Whom should the police look for?

A amn is accused of killing his wife. His lawyer in his final statement, declared that the wife of the man hasn’t been killed, and will enter the courtroom in a minute. Everybody in the room, including the judge and the jury, turns to look at the door, and the lawyer with the defendant looks at them. Several minutes passed and the lawyer says: it proves that you are not so sure that my client killed his wife, otherwise you wouldn’t believe me. Almost immediately after that, the jury comes out with a guilty verdict. Why did the jury do that?

A body of a man was found on the floor. At some moment, he collapsed against his desk. A gun is in his hand. The police found a cassette recorder in his hand. When they pressed the button, what they heard was, “I cant live like this anymore”. Then the sound of a gunshot was heard. However, the detective immediately figured out it was a murder. How did he realize that it wasn’t a suicide?

Marissa and Juliana went out for drinks together. They ordered the same drink. Juliana was really thirsty and finished five in the time it took Marissa to finish one. The drinks were poisoned, but only Marissa died. How?

A girl is at the funeral of her mother. She meets a nice guy that she didn’t know who also was at the funeral and they hit it off. She was busy at the funeral and didn’t have time to ask him for his number before he left. She tried really hard to track him down, but no one knew who he was or how to contact him. A few days later her sister dies and the police suspect it to be a murder. Who killed her sister?

A Japanese ship was leaving the port and on its way to open sea. The captain went to go oil some parts of the ship and took his ring off so it wouldn’t get damaged. He left it on the table next to his bunk. When he returned, it was missing. He had suspected three crew members could be guilty and asked them what they had been doing for the ten minutes that he had been gone.

The cook said, “I was in the kitchen preparing tonight’s dinner.”

The engineer said, “I was working in the engine room making sure everything was running smoothly.”

The seaman said, “I was on the mast correcting the flag because someone had attached it upside down by mistake.”

The captain immediately knew who it was. How?

A man was found on the floor dead with a cassette recorder in one hand and a gun in the other. When the police arrive at the scene they pressed play on the recorder. It was the man’s voice. He said, “I have nothing else to live for. I can’t go on,” followed by the sound of a gunshot. After listening, the police knew that this was a murder, not a suicide. How?

A woman was in court for killing her husband. She said she wasn’t guilty and that she dearly missed him. In the closing statement, the woman’s lawyer stands up and says, “Her husband was just missing. Everyone look at the doors. He’s going to walk through them in about 30 seconds.”

The entire jury stares at the doors waiting for waiting for this woman’s husband to walk through the doors. The lawyer and the woman stare at the jury.

The lawyer concludes by saying, “See! If you were so sure she killed her husband, you wouldn’t be watching that door!”

The jury immediately gave a guilty verdict. Why?

A man is found hanging in a room four feet off the floor. There is nothing else in the room except for a large puddle of water below him. The police do not see anything the man would have climb on to hang himself. Did he commit suicide and, if so, how did he do it?

Accused of stealing the farmer’s chickens, a man is locked up in an empty room in the local jail. His cell has a dirt floor and is completely void of any accessories except for a shovel. There is a window overlooking the hills outside. The man is determined to break out and prove his innocence, but the window is too high to reach and beneath the shallow dirt floor is rock. How can he escape?

A woman goes to the police claiming that someone broke into her house and stole her diamond bracelet while she was at work. The policemen investigate the crime scene and notice that the bedroom window is broken. There are muddy footprints all across the bedroom floor. However, the room is otherwise neat and organized. The following day, the woman is arrested for fraud. Why?

A man entered his house and was about to hang up his coat when he heard his wife shout; “No John! Don’t do it!”
There was a shot and he could hear his wife fall down. When he entered the kitchen, he saw his wife and the gun lying on the floor. There was a police officer, a doctor, and a lawyer standing next to her. Who killed the man’s wife and how did the man know who it was?

The Greens are a very wealthy family that lives in a big, circular home. Early one morning, Mr. Green wakes up to find his gardener’s still warm body in the front yard. He calls the police. The detective who comes asks the employees about their whereabouts and what they were doing early that morning.
Driver: “I was outside washing the car.”
Maid: “I was dusting the corners of the house.”
Cook: “I was starting to make lunch for later.”
From the replies he knew who the killer was. Who was it and how did they detective know?

Dr. Miller was staying with his cousin, Alfred, in Alfred’s lakeside cabin. They were setting up Alfred’s will. Since Dr. Miller was Alfred’s closest living relative, much of Alfred’s estate was being left to him. One day, Alfred went to Dr. Miller very upset. “Doctor,” he began, “I have just found out that an old enemy is out to get me. He is coming very soon. Where will I go? Where can I hide? If he finds me, he will surely kill me. I do not have time to leave this cabin and hide in the woods.”
Dr. Miller thought for a moment, and then grabbed a 5′ long bamboo fishing pole, with a diameter the size of a quarter. “Alfred, follow me out to the lake. This lake is 4′ deep. If you lie on the bottom of the lake and breathe through this pole, your enemy will never find you. I will be in the bulrushes with a shotgun, and I will shoot him when he comes. I will swim down to find you when he is gone.”
Alfred thought that was a great idea and went down in the lake with the bamboo pole in his mouth. A few hours later, a ranger passed by. He found Alfred’s body. Dr. Miller told the police of the circumstance, and that Alfred had probably panicked, and died. Police arrested Dr. Miller on the charge of murdering Alfred. Why?

A man eats his dinner, goes to his bedroom, turns out the light, and falls asleep. In the morning, he looks outside and immediately throws himself out the window. Why?

You arrive at a murder scene where a man is hanging from the ceiling with nothing around him other than a large pool of water. How did the man die?

A king with no queen, sons, or daughters decides to work out a way of choosing his next in line. He gives all the children in the kingdom a single seed and says that whoever has the largest, most beautiful plant will inherit his throne. When the day comes, all the children present gargantuan plants, but he decides to choose a little girl with an empty plant pot as his successor. Why?

Once upon a time, an evil witch kidnapped three married women and turned them into rose bushes. One of the women, who had children, begged the witch to go and see her husband, and the witch agreed. She took the woman to her home and returned her to her rose bush state the next morning. Little did she know that the husband was following, and he decided to rescue his wife. He looked at the three identical rose bushes and suddenly knew which one was his wife. How?

A queen had a bowl of golden apples in her court which were her most treasured possession. One day, one of the apples went missing. She gathered all the members of court together and told them that the way she would discover the robber was by having them all touch a rusty pot with a rooster in with the lights off. The rooster would then crow when the robber touched the rusty pot. However, the rooster didn’t crow throughout the whole court, touching the rusty pot. Despite this, the queen knew who had stolen the apple. How?

Rita called the police to investigate the burglary at her home. Her precious jewellery was missing. She told the police that the lock of the house was intact. Police scanned the crime scene. The house was in a total mess and the glass of the window was broken. Police concluded Rita had cooked up this story and arrested her for fraud. How?

A Japanese ship was sailing in the Ocean. The captain of the ship went for a bath. He removed his ring and kept it on the table near the engine. When he returned, he found his ring missing. The captain called all three crew members who were working around at that time. He asked them what they were doing during the last 20 minutes.

The 1st crew member said, “I was checking the navigation.
The 2nd crew member said, “I was intimating the people about our arrival.
The 3rd crew member said, “I was correcting the side of the flag as it was upside down.”
The captain caught the crew member who was lying. How?

A serial killer kidnapped people and offered them 2 pills and asked them to take 1. Both the pills were the same in content and appearance. Whichever pill a victim took, the serial killer took the other one. The victim took the pill with water and died, and the killer survived all the time. How did the killer manage to get a harmless pill?

Raj and Rahul were friends and their house was in a snowy region. Raj called the police and informed them about his friend’s death. Raj said he went to meet Rahul and knocked at the door but nobody opened the door. He cleaned the moisture of the window glass to look into the house. He saw Rahul lying on the floor in the pull of blood. Police arrested the murderer right away. How?

A dead body is seen outside a four-story building. The detective ran up the first floor and checked the window. He checked the windows of floors 2nd,3rd,4th, and 5th too. When he came down, he said it wasn’t a suicide but a murder. How?

A detective was only given one chance to live. He could live on the condition that he managed to open a chest. To open the chest, there was a golden key, a bronze key, or a silver key, and a note that spelled TGKHOEELYDEN. Only one key would work and the detective was only given one attempt. How did he live?

James was living with his two siblings at the time of his murder. Both of his siblings stated that they couldn’t have killed him because they were in the pool for hours, but that theory was disproven when the detective checked their hands. How did he know?

The police discovered a man lying on the floor with a tape recorder next to him, which automatically played his suicide note the first time they pressed play. How did the detective know it wasn’t suicide?

Two women drank the same poisoned drink at different paces, yet only one died. How did they die?

A famous killer told the police that he plans to kill someone in the one place you can’t see the Eiffel Tower from in Paris. How did the police catch the killer?

Melanie lived with her siblings in a small town. One afternoon, Melanie was found dead in the living room. When the police questioned her siblings, they both were in the pool from the morning and hadn’t killed her. But the police arrested Melanie’s siblings for her murder. Why?

A woman was staying in her hotel room when somebody knocked on the door. When she opened, she saw an unknown man. The man looked surprised and he said, “I apologise, I thought it was my room”. He then turned away. The woman however returned to the room and dialed security. Why was she so suspicious and didn’t believe the man?

A women was having breakfast at a restaurant. At one moment, she noticed a fly in her coffee. She was indignant, and made the waiter bring her another cup of the drink. After the new cup of coffee was brought, she shouted, “what is the service in thisplace? You have brought me the same cup of coffee”. How did she undetstand it? Perhaps the woman was a psychic?

A man killed his wife in a car. He used a knife which he later threw away into an abyss where nobody was going to find it. His wife’s body he took out of the car. He was very careful and therefore left no fingerprints. After that, he headed home, and in acouple of hours, he got a call from the police. They informed him that his wife had been killed and so he had to arrive at the crime scene right away. As soon as he got there, he was arrested for the murder. How did the police realize he was guilty?

Andy is put in a cell with a dirt floor and only one window. The window is too high for him to reach. The only thing in the cell is a shovel. He won’t be able to get any food or water and only has two days to escape or he’ll die. Andy can’t dig a tunnel because it will take him much longer than two days to do it. How will Andy escape from the cell?

A serial killer kidnapped five different people and sat them down each with two pills in their hand and a glass of water. He told them each to take one pill but warned them that one was poisonous and the other was harmless. Whichever pill the victim didn’t take, the serial killer would take. Every victim somehow chose the poisonous pill and died. How did the serial killer get them all to take the poisonous pill?

A couple went on holiday for three weeks. They carefully locked their house, and had a neighbor check on the place while they were gone. When they returned, the wife was distressed to learn that, because of a power failure, she had lost all her fine jewelry. She had hidden the jewelry in what she thought was a very safe place. She was not robbed. Her jewelry was lost by accident. Why?

A man eats dinner, goes up to his bedroom, turns off the lights, and goes to sleep. In the morning, he wakes up and looks outside. Horrified at what he sees, he hurls himself out his window to his death. Why does he do this?

A man told a story about how he was awarded a medal for ‘Bravery during World War 1’. Why is this a lie?

A man was shot while sitting in a car, but no evidence of gunpowder residue or bullet holes was found in the locked car. How did he get killed?

A woman came back from a hiking trip and said that her husband had died by accidentally falling off a cliff. The detective knew she was lying right after he spoke to the travel agent. How did he know she lied to him?

A man killed his wife and carefully erased all the evidence, yet when he arrived at the crime scene upon the police’s request, they arrested him. How did the detective know he killed his wife?

Two young ladies were having diner together. They both ordered for ice tea. One of them was very hungry and drank hers very quickly. The other drank hers very slowly that she didn’t even finish it. Tragically, the girl who was nursing her drink and drinking slowly and didn’t even finish it died. The other stayed alive. But it turned out that all the drinks they had been served contained poison. How is it that the girl who drank more survived?

A man carrying two bags of sand on his bicycle, crosses the border everyday. Custom officers regularly check the bags, and all the time, they contain sand. It is obvious that this man is smuggling something, but the officers can’t realize what it is. As they have no proof, the man always crosses the border without interruptions. What does he smuggle?

It was a man’s birthday. He lay dead in the recreation room of his house. Next to his body was a note written in pencil. The note read “Happy Birthday, Friend.” The victim had a girlfriend; the police suspected her ex-boyfriend. They could find no obvious evidence. While searching the ex-boyfriend’s car, the police saw an envelope with the girlfriend’s address written on it. They thought they would get the handwriting on the envelop checked against the note. The scientist in charge came in early to work the next day; it was 7am. He looked out his window which faced east and stared at the rising sun and it was then that he realized how to prove the ex-boyfriend killed the man, even though the girlfriend’s address was not written in the same handwriting. How did he do it?

A detective was locked in a room that had a dirt floor, with a shovel and an open window too high for him to climb out of. How did he escape?

Two pills, a safe one and a dangerous one, were given to a group of victims to take. All of them died even though they took their pills in a random order. How did they die?