Search for Motive Behind Movie Theater Shooting

John Houser's life has been rocky for years, according to the police who describe him as a 'drifter' and court filings.
2:37 | 07/24/15

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Transcript for Search for Motive Behind Movie Theater Shooting
We're told one is doing G iing better. And more details on the suspected gunman, the wigs and other things discovered in the hotel nearby. Ryan Owens has the story. Reporter: He spent his weeks living at this motel 6 in Lafayette. We found wigs, glasses, and disguises in the room. Reporter: His last known address, here in Alabama, where he was evicted after owners say he trashed their house. He did a job on it, messed it up. Reporter: His marriage fell apart, too. In 2008, his wife and family asking for a protective order. The court filing says he had man man man man manic depression. He placed a swastika on the bar he owned. And ran as an ultra-conservative anti tax crusader. Tonight, investigators are scouring his postings on known anti government websites, hoping to find answers. Why was he in the motel or in Lafayette to begin with? Thank you. And so many of you at home are well aware that this is the third mass shooting in six weeks. Pierre Thomas sat down with the attorney general. It's something that's very troubling, it's very disturbing. We're always trying to watch and prevent these. It's one of the most difficult types of acts to prevent. That was the most troubling thing, how to prevent these going forward. That's right. It's causing great concern, and in the interview, she told me they're almost impossible to stop. In 2006, we averaged six mass shootings a year. By 2014, it was 16 a year. More than one a month. Thank you. And now to the wildfires raging, 14 fires in 6 states.

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

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