Amtrak officer charged with murder Posted on February 17, 2017 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Chad Robertson’s sister Nina Robertson, and his dad, Leroy Taylor, spoke with reporters after LaRoyce Tankson was charged with Chad’s murder. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: