Las Vegas shooter's former co-worker speaks out

Lisa Crawford said she was a property manager for the suspected gunman, Stephen Paddock, in Texas and recalls him as generous to his tenants as new details emerge about the note Paddock left behind.
2:45 | 10/09/17

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Transcript for Las Vegas shooter's former co-worker speaks out
have in common. How about that. The Las Vegas shooting details overnight, the strip going dark marking one week since the tragedy and this morning, we're learning more about the shooter's deadly plans and past. A woman who says she worked with the gunman and considered him a friend is now sharing her story. Our senior national correspondent Matt Gutman has more. Reporter: This morning, these new images of a smiling Stephen paddock obtained exclusively by ABC news. Grinning there under his arm is Lisa Crawford who says she was a property manager in a building he owned in Mesquite, Texas, for six years. He cared about everybody's finances. He cared about everybody's cars. He cared about -- he actually cared about people. Reporter: Including her. Those pictures show them palling around together with iconic las Vegas hotels in the background. We e-mailed, text. We didn't like -- neither one of us liked talking on the phone. Reporter: Crawford who says she's spoken to police and the FBI about her friendship with paddock said he had a goofball sense of humor and was even generous to his tenants. The person that I knew, knew back then, they would have enjoyed living on one of his properties. Reporter: But paddock remains such an enigma that the FBI executed another search warrant on his home near Las Vegas on Sunday. You can see where they breached the garage in that nonscript house in the cul-de-sac. Overnight one of the first police officers in that sniper's nest telling "60 minutes" that the shooter had a handwritten note with him. The elevation he was on, the drop of what his bullet was going to be for those -- for the crowd. So he had had that written down and figured out so he would know where to shoot to hit his targets from there. Reporter: Officials reporting it contained numerical figures for wind, trajectory and distance, apparently meant to maximize his ability to kill the concertgoers down below. Jason aldean who was on stage when the shooting began making his first public appearance Saturday going on "Snl" where he sang the Tom petty classic "Won't back down" ??? well I won't back down. Reporter: Jason aldean back in Las Vegas living up to those lyrics. You see him there with his wife right in front of the mandalay bay hotel and visited victims at the umc medical center. Now a sliver of good news this morning, of the 500 people wounded in that attack only 8 remain hospitalized this morning. Robin, David. Jason aldean, that was a powerful performance. On "Snl," it really was.

This transcript has been automatically generated and may not be 100% accurate.

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