Yeah, what if?

During a discussion on criminal conspiracies, the culpability of accomplices and the like, the following exchange took place.

Instructor: So if you hire someone to rob a bank and provide a gun for them to do so, and in the process they kill a guard, you could be found guilty of murder, even though you weren't there because....

Guy who sits at the back of the room: *hand shoots up* What if I hire someone to beat up my wife and he rapes her instead?

Class: ..........

Me: Yeah, what if that happens?