Female Shooter Wounds 3 Then Kills Herself. Here's the Latest on the YouTube Shooting

A suspected female shooter is dead and three others are injured after a mass shooting at YouTube's headquarters in San Bruno, Calif., Tuesday afternoon, according to San Bruno police.

San Bruno police officials identified the shooter as 39-year-old Nasim Aghdam of San Diego, California.

Aghdam was found dead inside the building with what appears to be a self-inflicted gunshot wound, San Bruno Police Chief Ed Barberini said at a press conference Tuesday afternoon.