My Outlaw Brother is a 1951 American film directed by Elliott Nugent, produced by Benedict Bogeaus, and starring Mickey Rooney, Wanda Hendrix, Robert Preston and Robert Stack. Filmed in Mexico and released through EagleLion Classics, the picture is based on the book South of the Rio Grande by Max Brand and is sometimes referred to as My Brother, the Outlaw.
In the town of Border City, Texas, a bandit known as El Tigre blows up and robs a bank. El Tigre is a dangerous killer with a large gang wanted on both sides of the border. The Mexican Secret Service who have attempted to infiltrate El Tigres gang have had all of their operatives killed or disappeared. Their representative approaches the Texas Rangers with a plan. El Tigres righthand man is an American, Patrick OMoore. The Mexicans assume that if a Ranger approaches OMoore and gets him back to America he would be willing to betray El Tigre for money and amnesty. Ranger Joe Warder is assigned to go to Mexico and bring OMoore across the border.On the trail, bandits attack Danny but he is saved by Joe. Discovering Dannys brother is the man he is after, Joe teams up with Danny and ride together to San Clemente, Mexico where Patrick resides. Danny discovers a woman there, Carmelita Alvarado, is loved by Patrick but wants nothing to do with him. ........
Source: Wikipedia