The YouTube shooting appears to be another case of someone spotting the warning signs... But not enough action being taken to prevent it.

Mountain View Police found Aghdam Tuesday morning sleeping in her car they allowed her to go because they say they had no way of holding her.

The Father of Nasim Aghdam reportedly warned police his daughter was missing and might be going to YouTube because she “hated” the company.

KCBS Radio's Stan Bunger and Susan Leigh Taylor spoke with Matthew Doherty, former head of the National Threat Assessment Center and now senior vice president at Hillard Heintze, a law enforcement and security advisory firm.