WASHINGTON (AP) — An Army reservist charged with taking part in the attack on the U.S. Capitol was known as a Nazi sympathizer who wore a Hitler mustache, coworkers told federal investigators.

Timothy Hale-Cusanelli, 30, was employed as a security contractor at a Navy base when he was alleged to have breached the Capitol on Jan. 6, authorities said.

In court papers filed Friday, federal prosecutors in Washington said his coworkers at the Naval Weapons Station Earle in Colts Neck, New Jersey, told investigators that he held white supremacist views.

The filing included photos from Hale-Cusanelli...