Gary Sinise, the star of “CSI: NY,” has revealed that his son, McCanna “Mac” Sinise, died at 33. Mac died Jan. 5 after a five-and-a-half year battle with chordoma, a rare form of cancer.

At the age of 18, Gary Sinise co-founded the Steppenwolf Theatre ... He has played Det. Mac Taylor on CSI: NY since 2004. ADVERTISEMENT ...