FBI Foiled an Army br Veteran's Plot to Bomb br White Supremacist Rally Mark Steven Domingo, 26, had recently converted to Islam. The California man was br allegedly seeking revenge br for the mosque shootings in br Christchurch, New Zealand. He was arrested after after br he allegedly accepted an IED br from an undercover FBI agent br who was posing as a bomb maker. Court documents show br that Domingo told FBI br informants that he wanted br to cause "mass casualties." Mark Steven Domingo, via Slate He had zeroed in on br the white supremacist br rally in Long Beach, CA. Domingo faces br up to 15 years in br prison if convicted.