Dave Tells a Joke!

My older brother is not known for jokes. He's known for being drop dead hilariously funny, but not a joke teller. Wayne and I were sittin' on Mum's couch on Sunday and Dave comes in, "Yo, Wayne, got a trivia thing for ya. What is a group of crows called?" At the same time we both responded, "A murder." "Cool, now what do you call two crows together?" "Umm.....I have no idea..." Then Dave slowly backed out of the room and widened his eyes as he told us, "A-tempted murder..."