When Bones killed off Vincent Nigel-Murray last season (R.I.P., chap), the door was held open for a new squintern at the Jeffersonian. And the winner is… the super-smart, uber-Southern Finn Abernathy, who arrives in this Thursday’s episode (Fox, 9/8c). Here, TVLine gets his portrayer, Luke Kleintank, to reveal the five things you need to know about the sweet but troubled newbie. ...