Left: Public Domain, Right: @garysiniseofficial / Instagram.com
Gary Sinise’s son, McCanna “Mac” Sinise, has died from a rare form of cancer at 33 years old. The Gary Sinise Foundation shared the news of his death on Instagram with the caption, “In Honor & Memory of McCanna ‘Mac’ Sinise 1990-2024.” In a statement, the foundation said that on August 8, 2018, Mac was…