ORANGEBURG, S.C. (AP) -- Authorities say they found materials that could be used to make bombs while investigating a domestic violence complaint in Orangeburg County. 

Investigators say 36-year-old Nathaniel Hearn's girlfriend called police Thursday after she locked him out of their Cordova house after a fight.  She told officers he had detonated homemade bombs before and threatened to kill her if she left him.

Authorities say they found materials that could be used to make bombs in a shed.

During a bond hearing, Hearn says he used the items to entertain his son by making explosions inside a homemade cannon.  Hearn also says his wife threatened him with a knife before locking him out.

Bond was set at $105,000 and Hearn remains in jail.