Supposedly he saw a couple arguing and intervened and him and his friend beat the shit out of the guy according to one source 'half to death'. Then fled the state.
I covered the rumor a few posts up. Jordan Breen talked about it on his show and then there's a thread on Sherdog with a bit more info
But I agree with what you said about Dana. Not something he should be making public statements about until the whole story comes out.