Suzanne St. John-Crane, executive director of CreaTV, said she had spoken with him numerous times but did not know him well.
Gunman at large after deadly Calif. quarry shooting →
"Based on what we know now, we're shocked and devastated and feel for the families of the victims," St. John-Crane told The Associated Press. "But he didn't work here. I want to make that clear. We're very frightened."