It can also be in a hole where there are no facts and evidence so long as it is not grossly inconsistent with said facts and evidence. For example, Apperson could have claimed that Zimmerman saw his gun and reached for it while saying "I'm gonna kill you." As long as no one [or virtually no one] witnessed this particular timeframe up close within hearing range (a hole not grossly inconsistent with evidence), the defendant is entitled to possibly be believed. I mean, look at all the stuff Zimmerman says that Martin did but no one saw Martin say he was going to kill him or that he was trying to get a gun. Even Zimmerman's claim about wrist control is inconsistent with his alleged lack of knowledge about fighting, yet there it was...