Is it just me
Or does this sound like 1987's Extreme Prejudice, starring Nick Nolte.
Extreme Predjudice: An army of forgotten heroes, all officially dead. They live for combat. Now they've met the wrong man.
A Texas Ranger and a ruthless narcotics kingpin - they were childhood friends, now they are adversaries.
The Shepherd: A texas cop battles ex-navy seals who are trying to traffic drugs from Mexico into the USA.