John Dwyer

Pleasanton Police Patrol High School After Graffiti Threatens ShootingPolice officers were on the campus of Foothill High School in Pleasanton Wednesday morning after graffiti found scrawled in a girl's bathroom threatened a school shooting.

More From CBS San Francisco

Super Bowl 50
Get Your Tickets To CBS Radio's The Night Before Now!Follow along as two of the biggest names in rock join forces #TheNightBefore the big game!

Listen Live