Suicide Or Not?

Riddle: The police enter a house with a dead man on the floor. Next to him is a gun and a tape recorder. Nine out of ten officers think it was a suicide. The last officer picks up the tape recorder and presses play. All of the officers now think it was a homicide (murder). What made them think that it was a homicide?

Answer: How would the victim press stop on the recorder if he was dead?

Source: https://www.riddles.com/6408

The police enter a house with a dead man on the floor. Next to him is a gun and a tape recorder. Nine out of ten officers think it was a suicide. The last officer picks up the tape recorder and presses play. All of the officers now think it was a homicide (murder). What made them think that it was a homicide? — suicide or not? by A.Z 73 v1.

Riddle: The police enter a house with a dead man on the floor. Next to him is a gun and a tape recorder. Nine out of ten officers think it was a suicide. The last officer picks up the tape recorder and presses play. All of the officers now think it was a homicide (murder). What made them think that it was a homicide? Answer: How would the victim press stop on the recorder if he was dead? — by A.Z 73 v2.