Crime scene: 162 mystery solving puzzles to find out who the murderer is

Chapter 27 Swimming Drowning Case

Ma Tian is a member of the underworld, and he is now arranging a poisonous plan to murder his partner Gao Yang.

First, he lured Gao Yang to a luxurious villa in the suburbs, and then put a small amount of sleeping pills in his beer.After the meal, Gao Yang went into the bathroom to take a bath, because he had swallowed some sleeping pills just now, so he fell asleep in the bathtub.Martin walked into the bathroom and pushed Gao Yang's head into the bathtub. Gao Yang woke up and tried to resist, but Martin pressed him hard and finally drowned him.

Martin rinsed his body with water, put on swimming trunks for him, moved his body to the swimming pool, and threw it into the pool. He wiped off all the fingerprints in the bathroom, and then fell asleep peacefully.

The next day, he calmly reported to the police that Gao Yang had drowned and died while swimming.However, Martin's poisonous plan did not succeed. After the forensic officer's inspection report, the police immediately pointed out that Martin had given false testimony and arrested him.

How did the police know that Gao Yang didn't drown while swimming?

[Answer] There is soapy water in Gao Yang's stomach.

(End of this chapter)