> citation? the 4 imams (greatest islamic scholars) all agree upon this. source bulugh al-maram book 10, hadith 12 "whoever you find doing as the people of lot did (i.e. homosexuality), kill the one who does it and the one to whom it is done, and if you find anyone having sexual intercourse with animal, kill him and kill the animal." related by ahmad and the four imams with a trustworthy chain of narrators. link -  
Jihadi