It's possible that he was looking for his
ex-wife but he had an issue with the Star Dance Studio.
The gunman who slaughtered 10 people at a California dance club before killing himself once taught at the venue — where he met his first wife, was quick to anger and believed other instructor…
nypost.com
Monterey gunman thought dance instructors said ‘evil things about him’
The first place he went to (Star Dance Studio) he killed the 10 people.
The second place (Lai Lai Ballroom) somebody wrestled the gun out of his hands and he ran away.
Brandon Tsay, 26, is being credited with preventing further violence by subduing the gunman before he could kill more people.
www.nytimes.com
Brandon Tsay at home in San Marino, Calif. He disarmed the gunman at the Lai Lai Ballroom & Studio on Saturday night