• Question: I speak without a voice, hear without ears, and am often unseen. What am I?
• Answer: A clue
• Question: What has keys but can’t open locks?
• Answer: A map
• Question: What is always in front of you but can’t be seen?
• Answer: The future
• Question: What can travel around the world while staying in a corner?
• Answer: A stamp
• Question: What has a head, a tail, but no body?
• Answer: A coin
• Question: The more you take, the more you leave behind. What am I?
• Answer: Footsteps
• Question: What can be cracked, made, told, and played?
• Answer: A joke
• Question: What is it that the more you take, the more you leave behind?
• Answer: Time
• Question: I can be cracked, made, and told, yet never touched. What am I?
• Answer: A secret
• Question: What comes once in a minute, twice in a moment, but never in a thousand years?
• Answer: The letter ‘M’
• Question: What has keys but can’t open locks, and space but no room?
• Answer: A keyboard
• Question: What has a neck but no head?
• Answer: A bottle
• Question: What has hands but can’t clap?
• Answer: A clock
• Question: What is full of holes but still holds water?
• Answer: A sponge
• Question: What belongs to you but others use it more than you do?
• Answer: Your name
• Question: What goes up but never comes down?
• Answer: Your age
• Question: What can travel all around the world without leaving its corner?
• Answer: A stamp
• Question: What is it that you can keep after giving it to someone else?
• Answer: Your word
• Question: What starts with ‘e’ and ends with ‘e’ but only contains one letter?
• Answer: An envelope
• Question: I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
• Answer: Pencil lead

• Question: What has keys but can’t open locks?
  Answer: A detective’s notebook.
• Question: What gets wetter as it dries?
  Answer: Evidence left out in the rain.
• Question: What has a head, a tail, but no body?
  Answer: A coin used to bribe informants.
• Question: What is full of holes but still holds water?
  Answer: The alibi of a suspect.
• Question: What runs around a city but never moves?
  Answer: Rumors spreading during an investigation.
• Question: What can travel around the world while staying in a corner?
  Answer: Gossip about a high-profile case.
• Question: What goes up but never comes down?
  Answer: The number of unanswered questions in a complex case.
• Question: What is always in front of you but can’t be seen?
  Answer: The solution to a mystery.
• Question: What belongs to you but others use it more than you do?
  Answer: Your reputation as a skilled investigator.
• Question: What has a neck but no head?
  Answer: A bottle of evidence preserved for analysis.
• Question: What is so fragile that saying its name breaks it?
  Answer: Trust in a confidential informant.
• Question: What can be cracked, made, told, and played?
  Answer: A case, story, evidence, and suspect, respectively.
• Question: What has a mouth but cannot eat?
  Answer: A witness giving testimony.
• Question: What can you catch but not throw?
  Answer: A criminal who’s on the run.
• Question: What is black when it’s clean and white when it’s dirty?
  Answer: The truth, which may be hidden or revealed through investigation.
• Question: What starts with ‘e’ and ends with ‘e’ but only has one letter?
  Answer: An envelope containing confidential information.
• Question: What is harder to catch the faster you run?
  Answer: A fleeting lead in an investigation.
• Question: What has keys that open no locks, with space but no room, and you can enter but not go in?
  Answer: A keyboard used to search through digital evidence.
• Question: What can be seen once in a minute, twice in a moment, but never in a thousand years?
  Answer: A clue that’s often overlooked until the right perspective is gained.
• Question: What can travel around the world while staying in a corner?
  Answer: A search warrant issued by a global task force.

Another Investigation riddles

• Question: What has keys but can’t open locks?
  Answer: A detective’s encrypted files.
• Question: What is always right behind you but can never be caught?
  Answer: Suspicion in an unsolved case.
• Question: What can be cracked but never eaten?
  Answer: A complex code used to encrypt messages.
• Question: What is filled with words but cannot speak?
  Answer: The pages of a witness statement.
• Question: What is made of glass but cannot be seen through?
  Answer: A mirror reflecting back on a suspect’s lies.
• Question: What has a face but no eyes, hands but no fingers?
  Answer: A clock marking the time of a crime.
• Question: What is as light as a feather, yet even the strongest man cannot hold it for long?
  Answer: A secret uncovered during an investigation.
• Question: What has many keys but can’t open any door?
  Answer: A detective’s ring filled with evidence locker keys.
• Question: What has a heart that doesn’t beat?
  Answer: The compassion of a seasoned detective.
• Question: What gets longer when pulled, fits between your breasts, inserts neatly in a hole, and works best when jerked?
  Answer: A string used to measure crime scene distances.
• Question: What can be stolen, broken, and carried away, yet is immeasurable?
  Answer: Trust in the justice system.
• Question: What has a bark but no bite?
  Answer: A security system guarding a crime scene.
• Question: What has many eyes but can’t see?
  Answer: A surveillance camera recording footage of a suspect.
• Question: What begins with an ‘e’ and ends with an ‘e’ but only contains one letter?
  Answer: An email containing crucial evidence.
• Question: What is full of holes but still holds water?
  Answer: The suspect’s story under intense interrogation.
• Question: What comes once in a minute, twice in a moment, but never in a thousand years?
  Answer: The right opportunity to crack a case.
• Question: What has a head and a tail, but no body?
  Answer: A coin flipped to make a decision in an investigation.
• Question: What runs but never walks, murmurs but never talks, has a bed but never sleeps?
  Answer: A river passing by the crime scene.
• Question: What can travel around the world while staying in a corner?
  Answer: A rumor spreading about a notorious criminal.
• Question: What is always in front of you but can’t be seen?
  Answer: The truth, waiting to be uncovered.

• Question: What has a tongue but cannot taste?
  Answer: The evidence collected at a crime scene.
• Question: What has keys that unlock doors to the past?
  Answer: Historical records used in a cold case investigation.
• Question: What is always changing yet remains constant?
  Answer: The evolving tactics of criminals under investigation.
• Question: What has ears but cannot hear?
  Answer: A wiretap recording conversations of suspects.
• Question: What has a bed but never sleeps, a mouth but never eats?
  Answer: A courtroom where justice is served.
• Question: What is fragile when shared but powerful when kept?
  Answer: Confidential information disclosed by an informant.
• Question: What can travel the world without moving?
  Answer: An international investigation task force.
• Question: What has eyes but cannot see in the dark?
  Answer: Surveillance footage captured during daylight.
• Question: What has a neck but no head?
  Answer: The collar used to secure a suspect during questioning.
• Question: What is the beginning of eternity, the end of time and space, the start of every end, and the end of every race?
  Answer: The letter ‘E,’ crucial in solving encrypted messages.
• Question: What is heavy forward but backward it’s not?
  Answer: The burden of proof in a criminal case.
• Question: What can be filled with knowledge but never gets full?
  Answer: The database containing criminal records.
• Question: What is it that no man ever did see, which never was, but always will be?
  Answer: The future outcome of an ongoing investigation.
• Question: What has keys that open locks of uncertainty?
  Answer: The expertise and intuition of a seasoned detective.
• Question: What has a face but no eyes, hands but no arms?
  Answer: A clock ticking away the time during an interrogation.
• Question: What is bought by the yard but worn by the foot?
  Answer: Crime scene tape used to cordon off areas.
• Question: What begins with ‘t,’ ends with ‘t,’ and has ‘t’ in it?
  Answer: A teapot filled with evidence markers.
• Question: What has a ring but no finger?
  Answer: The echo of a phone call used to lure a suspect.
• Question: What has branches but no leaves, trunk but no roots?
  Answer: The hierarchy of a criminal organization.
• Question: What breaks but never falls, and what falls but never breaks?
  Answer: The news of an arrest breaks the silence, while tears fall but never break.

Getting over with Investigation riddles

• Question: What has keys that unlock the truth?
  Answer: The interrogation techniques used by skilled detectives.
• Question: What has a beginning but no end, and a middle but no start?
  Answer: The timeline of events in an ongoing investigation.
• Question: What is silent but speaks volumes?
  Answer: The evidence presented in a court of law.
• Question: What is sharp enough to cut through lies?
  Answer: The razor-sharp wit of an experienced investigator.
• Question: What has eyes but cannot see past deception?
  Answer: The blind spots in surveillance footage.
• Question: What is often found in the trash but can be worth its weight in gold?
  Answer: Clues discovered in discarded evidence.
• Question: What is fragile when spoken but powerful when written?
  Answer: A carefully crafted witness statement.
• Question: What is full of holes but can still hold the key to solving a case?
  Answer: The alibi of a suspect with inconsistencies.
• Question: What can be twisted, turned, and manipulated but always points to the truth?
  Answer: The evidence trail leading to the perpetrator.
• Question: What is invisible but leaves a lasting mark?
  Answer: The digital footprint of a cybercriminal.
• Question: What is it that everyone wants to know, but no one wants to hear?
  Answer: The uncomfortable truth uncovered during an investigation.
• Question: What has wheels but cannot move on its own?
  Answer: The evidence transport vehicle used to secure crime scene materials.
• Question: What is harder to find as more people search for it?
  Answer: A needle in a haystack of clues.
• Question: What can be opened without a key and closed without a lock?
  Answer: A suspect’s mouth during an interrogation.
• Question: What is at the end of a rainbow but cannot be caught?
  Answer: The elusive motive behind a crime.
• Question: What can be bought but not touched?
  Answer: The loyalty of an informant providing valuable information.
• Question: What is smooth to the touch but rough around the edges?
  Answer: The surface of a forged document.
• Question: What is sharper than a serpent’s tooth?
  Answer: The sting of betrayal felt when a trusted ally becomes a suspect.
• Question: What has roots as nobody sees, is taller than trees, up up it goes, and yet never grows?
  Answer: The network of criminal connections that span generations.
• Question: What is bound by law but often breaks under pressure?
  Answer: The alibi of a suspect under intense scrutiny.