. >> this is deeply creepy stuff. >> absolutely. >> reporter: the person who knew him best was marcus hunter, the accomplice first arrested with jason scott. but marcus wasn't talking. investigators wondered, was he afraid of jason? another former co-conspirator was telling investigators jason was no one to cross. >> he's sensitive. you got to watch how you talk to him. >> these guys would say, "if i ever got into a fight with jason, jason, you know, wouldn't fight me back. but two weeks later, he'd be the type of guy to come back and burn my house down." >> that's the type of dude he was, he's crazy. >> reporter: three weeks after his king-for-a-day deal, jason scott was still walking the streets. investigators knew enough about him to worry for their own safety. >> his m.o. was, he would specifically go and cut the power to these homes, cut the alarm lines, so one night sleeping and i kind of become aware that all of a sudden the power is off in my house. so knowing that jason knew my name and thinking he could figure out where i lived, i actually grabbed my gun and proceeded to tactically