Butte County authorities arrest two ridge residents on explosives and gun charges following a tip from the FBI. The Butte County Sheriff's Office says members of the local bomb squad received information that there may be materials capable of being turned into explosives at a home on Melody Lane in Paradise. Authorities searched the home Thursday. The Sheriff's Office says officials found illegal assault weapons and bomb making materials. 55 year old Helen Murphy and 50 year old Clifton Murphy were arrested in the case.