Security video purportedly showing the outside of millionaire sex offender Jeffrey Epstein's New York jail cell at the time of his attempted suicide in July has been lost, federal prosecutors claim.The five hours of footage taken by a camera outside of Epstein's cell at the Metropolitan Correctional Center in lower Manhattan between 11 p.m. on July 22 and 4 a.m. on July 23 was mistakenly not preserved, federal prosecutor Geoffrey S. Berman wrote in a letter sent Thursday to U.S. District Court Judge Kenneth M. Karas."The Government has learned that the MCC inadvertently preserved video from the wrong tier within...