The infamous “Preppy Killer” is getting a true crime docuseries this fall on AMC and Sundance. Airing for three consecutive nights from Nov. 13-15th, “The Preppy Murderer: Death in Central Park” will chronicle Robert Chambers’ sordid “rough Sex” murder of 18-year-old Jennifer Levin in 1986. Chambers, now 52, was a 19-year-old Upper East Sider who...