Authorities said Robert Blancas, 35, from the Bay Area, is a member of the "Grizzly Scouts," a militia group loosely connected to the so-called "boogaloo" militias, which are anti-law enforcement and anti-government extremists.
On May 29, 2020, a two federal protective security officers at the Oakland federal building were shot by a Grizzly Scout, who killed federal officer David Patrick Underwood and seriously injured the other officer during the George Floyd protests in the city.