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.

Gary Sinise's son, McCanna "Mac" Anthony Sinise, has tragically died at the age of 33. The "Forrest Gump" and "CSI: NY" actor revealed the news on his foundation's website, sharing that Mac was ...

He was 33 years old. Gary Sinise reveals his son, McCanna, also known as 'Mac,' has died following a battle with a rare cancer. He was 33. The 'CSI: NY' star honored his late son with a message on ...

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