Photo Flash: First Look at Josh Groban on CSI: NY

On this week's episode of CSI: NY, titled "Blood Actually," on Valentine's Day, Mac and the team tackle three twisted tales of love gone wrong, on CSI: NY, Friday, Feb. 15 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Internationally renowned multi-platinum recording artist Josh Groban guest stars as himself, performing one of his own songs, "Happy in My Heartache," from his new album All That Echoes.