Thou Shalt Not Kill... Except

Thou Shalt Not Kill... Except, also known as Strykers War, is a 1985 American action horror film directed by Josh Becker and starring Robert Rickman, John Manfredi, Tim Quill, Cheryl Hausen, Perry Mallette and Sam Raimi. It was written by Becker and Scott Spiegel from a story by Becker, actor Bruce Campbell, and Sheldon Lettich.

Having come home after half of his squadron was killed during the Vietnam War, Sergeant Jack Stryker portrayed by Brian Schulz, given an honorable discharge due to his injuries, attempts to get his life back together. Finding himself reunited with an old girlfriend, Sally Cheryl Hausen and his war buddies, he feels he may have successfully reestablished his life. However, this happiness is quickly cut short when a murderous cult led by an enigmatic but unnamed Charles Mansonlike figure, portrayed by director and writer Sam Raimi, comes into town to continue their rampage.After Sally is tortured and Stryker and his compatriots find the cult torturing police officers near his house, they arm themselves up and decide to as the trailer puts it break the laws of both God the title is a reference to one of the Biblical Ten Commandments and man and fight back. What follows is a war between the two groups, ending in numerous deaths, including the cult leaders the exchange between the cult leader and Stryker is as follows ........

Source: Wikipedia