Manhunt Underway For Ryan Kelly Chamberlain; Explosives, Not Ricin, Found In San Francisco Apartment

Federal investigators are looking for Ryan Kelly Chamberlain, 42, following the discovery of explosives in his San Francisco apartment. FBI agent Peter Lee told reporters Sunday earlier reports Chamberlain also had ricin were untrue, KTVU, San Francisco, said. More than two dozen FBI agents, police, fire department and hazardous materials crews raided Chamberlain's apartment Saturday.