Police say the alleged shooter went to a local shooting range hours before she stormed the San Bruno YouTube campus.

Nasim Najafi Aghdam, the woman who the police say attacked the YouTube headquarters on Tuesday before killing herself, ...

Russian President Vladimir Putin has vowed to punish those behind a deadly attack on a Moscow concert hall that has claimed 133 lives, after authorities said the four main suspects were caught near the border with Ukraine.Friday’s assault on the Crocus City Hall was the deadliest terror attack on Russia’s capital in decades and comes less than a week after Putin secured victory in a stage-managed election, tightening his grip on the country he has ruled since the turn of the century.The terror group ISIS claimed responsibility for the deadly incident. A US official said Friday that Washington had no reason to doubt ISIS’ claim.

The YouTube shooter was reportedly angry that she made as little as 10 cents on some of her videos. Nasim Aghdam, 39, opened ...

From a model shooting in Stockholm.

Police respond to reports of an active shooter at the YouTube headquarters. » Subscribe to NBC News: ...

Shooting gameplay video new video fire game

They said she accused YouTube of censoring her and limiting her viewers.

A woman shoots a rifle and falls.