U.S. Attorney Nick Hanna stands next to photos of Mark Steven Domingo during a news conference in Los Angeles on Monday. Federal prosecutors said Domingo had planned to bomb a white supremacist rally as retribution for the New Zealand mosque attacks but was thwarted.

U.S. Attorney Nick Hanna stands next to photos of Mark Steven Domingo during a news conference in Los Angeles on Monday. Federal prosecutors said Domingo had planned to bomb a white supremacist rally as retribution for the New Zealand mosque attacks but was thwarted