Sam Has a Heated Argument Over an Affair He Claims

Sam has a heated argument over an affair he claims his wife is having with his best friend. The argument escalates and Sam is overheard by the neighbors saying he wished his wife were dead. After repeatedly trying to get from Sam what happened to his wife, the best friend calls the police after two days, not seeing Sam's wife during that time. ​

A) If the body of Sam's wife is never found, then Sam:
B) would have nothing to worry about.
C) may be convicted based on circumstantial evidence.
D) can never be convicted of murder.
E) may be convicted only of manslaughter.