NYT:

For months, Robert D. Bowers had been spewing his anger in post after post on the web, calling immigrants “invaders,” distributing racist memes and asserting that Jews were the “enemy of white people.”

Then, on Saturday, moments before the police say he barged into a Pittsburgh synagogue with an assault rifle and three handguns, he tapped out a final message: “I can’t sit by and watch my people get slaughtered. Screw your optics, I’m going in.”

The authorities said Mr. Bowers, 46, then killed at least 11 people in and around the synagogue, Tree of Life, a spacious building with stained glass windows, a golden memorial tree and a Torah rescued from the Holocaust.

It was the Sabbath, the synagogue’s busiest day. The attack was one of the deadliest on the Jewish community in United States history.

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