was quote, fighting with a lot of people during his time in alaska. and he wenten to clarify to say that he was having some relationship issues, arguing with his girlfriend and others. the girlfriend, again, this is coming from the brother at this point, but according to to the brother, he was receiving psychological counselling in anchorage as well. again, all of this coming from brian santiago, brother of the man you see on your screen there, esteban santiago who is at this point we're told in police custody. we do not know if he is cooperating. earlier this afternoon, i talked to mark lee, cal perry just mentioned him, his name's mark lee, he was a guy who saw all of this go down. he described in vivid, horrifying detail, what happened. >> he didn't say anything. he was quiet the whole time. he didn't yell at people.