Who is Robert Bowers, alleged Pittsburgh synagogue shooter?

What You Need to Know: Alleged Pittsburgh Synagogue Shooter Robert Bowers

Police believe Robert Bowers is the suspect who opened fire during Saturday services at a Pittsburgh synagogue.

>> Read more trending news

There were multiple casualties at Tree of Life synagogue in Squirrel Hill. Bowers, 46, surrendered after a firefight with police, which left four officers shot.

Police said Bowers was injured in the melee.

social media profile for a man named Robert Bowers shows a feed full of anti-Semitic posts, including one from just hours before the shooting started:

>>Related "What is HIAS, group alleged Pittsburgh synagogue shooter obsessed over?"

"I can't sit by and watch my people get slaughtered," the post read. "Screw your optics, I'm going in."

The profile was later removed.