Officer Marvin

Officer Marvin is a supporting antagonist of Texas Chainsaw 3D and one of Mayor Burt Hartman's vigilantes.

He was portrayed by James MacDonald.

Biography
He was first seen after the events of the original film, the people of Newt, Texas include Marvin burn down the farmhouse of the Sawyer family for their role in aiding Jedidiah "Jed" Sawyer (Dan Yeager), also known as "Leatherface" in several murders.

The arsonists are celebrated as heroes in the town and the entire family is presumed dead.

Years had passed, he was sent by Mayor Hartman to the Sawyer house to kill Leatherface against Hooper's orders. While looking for Leatherface, Marvin is startled and accidentally kills Nikki, before being killed by Leatherface himself.