Four people have been arrested in connection to the 1982 killing of a Louisiana teenager, investigators announced on Friday. State police troopers said tips generated by a true-crime podcast they were involved in making – along with improvements in investigative technologies – helped them make arrests in the killing of Roxanne Sharp, 16, about 44 years earlier. Those suspected of murdering Sharp were identified as Perry Wayne Taylor, Darrel Dean Spell, Carlos Cooper and Billy Williams Jr, all 64 and from the New Orleans suburb of Covington. Each of the men faces charges of aggravated rape and second-degree murder. They would receive mandatory life imprisonment if convicted of either charge. Sharp’s body was discovered on 12 February 1982, in a wooded area near Covington’s St Tammany parish fairgrounds. Covington police investigators determined that Sharp had been raped and murdered before her body was left where it was later found.…