Charlie Mccoy was a motorcycle cop in the San Fransisco Police Dept. He appears in Magnum Force. He is a friend of Harry's. He is a troubled and mentally ill man. He wife made him leave and he started becoming suicidal. He badly wants to become a vigilante but does not. Harry begins to suspect he is the cop killing the criminals in the city, when it was really the rookies. He ends up getting killed by Officer Davis for being at the wrong place at the wrong time. Ironically, Davis came to Mccoy's funeral and said he felt responsible for his death.