The two cases were eerily similar. In 1963, in a quiet Ohio town, 15-year-old Patti Rebholz was bludgeoned to death. Police questioned her boyfriend, Michael Wehrung, but for years no one was charged. In 1975, in an exclusive Connecticut suburb, 15-year-old Martha Moxley was beaten to death with a golf club. Police had several suspects, among them 15-year-old Michael Skakel. In this case as well, no was charged for years. Now, police have reopened both cases. But is it too late for justice to be done? 48 Hours investigates. Who Killed Patty Rebholz? Murders didn't happen in Greenhills. But one night in 1963, 15-year-old Patty Rebholz was brutally killed. Police suspected that Michael Wehrung had something to do with her death, but an unusual judicial decision kept him free. Harold Dow reports. A Trial: Years later, prosecutors make an arrest. What happens next? Who Killed Martha Moxley? On the night before Halloween in 1975, someone attacked Martha Moxley with a golf club. The club came from a set owned by her neighbors, the Skakels. No one was ever arrested. But in 1998, police reopened the case. Find out what happened.