Randy Robert Stair was an American mass murderer who killed three of his co-workers at a Weis Market on,June 8 2017.

He was employed at Weis Market. Stair was also a YouTuber, with a channel under the pseudonym Andrew Blaze.

On his YouTube channel, Stair uploaded videos referencing the Mass shooting weeks in advance.

On June 8, 2017, brought two handguns guns to Weis Market overnight, blocked the store’s entrances and exits so no one could flee and fatally shot three of his co-workers, Victoria Brong, Briany Hayes, and Terry Sterling. He then committed suicide by shooting himself in the head.

Stair had spent his first hour at work overnight blocking all the exits to make it so no one could leave.

Then he got two shotguns from his car and started shooting in the store just after 1:00 a.m. local time.

In total, he fired 59 shots, killing 3 people before taking his own life.

Five people were inside the store at the time, one of them was able to escape.