Detective Riddles

Detective riddles tell you a story and require you to figure out what is suspicious or wrong with what you’ve read. If you like doing detective work, you will love these riddles.

Poisonous Pills

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?

Riddle Answer

Empty Cell Mystery

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?

Riddle Answer

Sand Smuggler

Every day, a man crosses the border of Mexico on a bicycle with two bags of sand.

The custom officers check his bags and they are full of sand. The custom officers are aware that he is smuggling something but are not sure what is it exactly. As they do not have any evidence, they let him cross the border.

What is he smuggling?

Riddle Answer

Strawberry Jam Stain Culprit

The Smith family is a very wealthy family that lives in a big, circular home. One morning, Mr. Smith woke up and saw a strawberry jam stain on his new carpet. He figured out that everyone who was there that morning had a jam sandwich. From the following statements, figure out who spilled the jam.

Billy Smith: “I was outside playing basketball.”

The Maid: “I was dusting the corners of the house.”

Chef: “I was starting to make lunch for later.”

Who is lying?

Riddle Answer