Rape by fraud.
“Rape by fraud” is a very good point. Not to condone such vigilantism, though.
... although... you think that would have err... come up before the sex?
“Why did you kill him?”
“Because he presented himself as a woman on our date”
“But you killed him after sex?”
“Well, I was still horny.”
Sorry, guilty.
I agree.. They shouldn’t be lying about their sex.