A search is underway for four inmates who escaped from a correctional center in central Alabama Saturday, authorities said.  The inmates escaped the Perry County Correctional PREP Center in Uniontown, Alabama, the Perry County Sheriff's Office reported.  Law enforcement agencies were alerted at approximately 1 a.m. local time on Saturday of the escape, the sheriff's office said. The sheriff's office identified the wanted men as Marquavious Billingsley, Jaden Christopher Maxwell, Johnny Dave