NEW YORK -- Some familiar faces will join the investigation into gruesome murders when “ CSI: Vegas ” premieres Wednesday on CBS.Wallace Langham's David Hodges, William Petersen as Gil Grissom and Jorja Fox's Sara Sidle reprise their roles for the 10-episode limited series, described as “an epilogue” to the original “CSI: Crime Scene Investigation."New cast members include Matt Lauria, Paula Newsome and Mel Rodriguez.The original “CSI,” which aired its series finale in 2015 after 15 seasons,