Salem police received a report Monday from a man who said his nephew confessed to killing his girlfriend, identified by prosecutors as 20-year-old Nayeli Nieves, of Salem. Advertisement According to a police report, 33-year-old Pablo Vicente, of Salem, said he killed Nieves in the Pope Street home they shared with their two children during a fight about whether she was cheating on him. According to a police report, Vicente choked Nieves and she lost consciousness. He said he did not call 911, he tried to perform CPR on her, but she died. The police report states that their children were...