There's another "easy" answer: friends and family of the deceased make up these claims, because they want to ensure a thorough investigation of any potential ho

There's another "easy" answer: friends and family of the deceased make up these claims, because they want to ensure a thorough investigation of any potential homicide to put their suspicions to rest and so make it look as suspicious and scandalous as possible in the public eye. Not saying that's what happened here, of course.