Marcus Luttrell, a Navy SEAL veteran who befriended the late Chris Kyle and inspired the 2013 movie “Lone Survivor,” took to social media Tuesday night to respond to the guilty murder verdict of Kyle's killer — and to share a warning. Support our journalism. Justice served for Chris and the Littlefield family.

How many times was Marcus Luttrell shot?

Luttrell was the only one of four SEALs to survive the fierce battle with the Taliban in northeastern Afghanistan in June 2005. Despite being shot twice, breaking his back and suffering serious injuries to his left leg following a grenade blast, Luttrell was able to crawl into a crevasse.

Is Marcus Luttrell in American sniper?

A SEAL who serves in the war in Iraq and Afghanistan, and one of Chris Kyle's closest friends. Marcus Luttrell was involved in one of the most famous operations of the War on Terror, Operation Red Wings.