WEST PALM BEACH — The man suspected in an apparent assassination attempt targeting former President Donald Trump camped outside a golf course with food and a rifle for nearly 12 hours before a Secret Service agent confronted him and opened fire, according to court documents filed Monday. Ryan Wesley Routh, 58, faces charges of possessing a firearm despite a prior felony conviction and possessing a firearm with an obliterated serial number. Officials said Routh could face up to 15 years in prison if convicted on the first charge, and a possible five-year sentence on the second charge. Additional and more serious charges are possible as the investigation continues and Justice Department prosecutors seek an indictment from a grand jury. Routh appeared briefly before Judge Ryon M.