MCALLEN - The Rio Grande Valley Border Patrol Sector guards our border everyday. One of their units is called the Horse Patrol. These teams of man and animal stop illegal immigrants crossing the border on a regular basis. And while the agents deserve a lot of credit, their horses deserve just as much.

News Center 23 Reporter Erin Murray shares in an in-dpeht report about the journey of how the Border Patrol mustangs came to the Rio Grande Valley.