the colleges in the area. and law enforcement officials say there's no specific threat but the fbi says it warned universities out of an abundance of caution, but, quote, no specific college or university was identified in the posting. this all comes on a weekend when authorities in northern california announced they arrested four high school boys who they believed planned a shooting attack on a gathering at their school. this, authorities tell me, could end up being a hoax. for for t colleges that received these warnings were temple, drexel and university of pennsylvania. they say they plan to increase safety patrols today. ideas to address the violence that surrounds us, some presidential candidates have decline, others have yet to respond. hillary clinton is one who says she does have a plan that's going to be coming out soon.