William DeShazer/Staff Someone describing themselves as a friend of missing person Terrance Williams, right, came forward during a press conference stating law enforcement had chased him on the beach as the Rev. Al Sharpton looks on. Media mogul Tyler Perry and the Rev. Al Sharpton held a press conference Thursday in East Naples to spotlight two unsolved missing cases, those of Felipe Santos and Terrance Williams. The two were last seen with former Collier County Sheriff's Office corporal Steve Calkins.