A man who allegedly threw a bomb into the lobby of a Santa Barbara County courthouse, injuring five people, faces federal charges including a new count of using a weapon of mass destruction, according to an Oct. 23 grand jury indictment.
Nathaniel James McGuire, 20, of Santa Maria faces one count each of using a weapon of mass destruction, maliciously damaging a building by means of explosive, and his original charge of possessing unregistered destructive devices.
Authorities arrested McGuire on Sept. 25 at about 8:48 a.m. shortly after the attack. He was due to appear that day at the Santa Maria courthouse for a prior weapons charge….