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. Establishing that Samwas in a heated argument with his wife before she turned up missing is necessary for: Group of answer choices corpus delicti. corpus rubrum. modus operandi. jus ad bellum