What we know about gunman in Thousand Oaks bar shooting

Back in April, officers in Thousand Oaks, California, responded to a disturbance at the home where Ian David Long lived.

Long, a 28-year-old who served in Afghanistan with the Marines, was acting somewhat irate and a little irrationally, according to Ventura County Sheriff Geoff Dean.

A mental health specialist with the crisis team met with him and felt he might be suffering from post-traumatic stress disorder. But after speaking with him, they decided not to detain him under laws that allow for the