At sixteen, Horn headed to the American Southwest, where he was hired by the U.S. Cavalry as a civilian scout under Al Sieber and became involved in the Apache Wars, aiding in the capture of warriors such as Geronimo.
Horn headed to the American Southwest as a civilian scout under Al Sieber. This was at sixteen. Horn became involved in the Apache Wars. This was at sixteen. Horn was aiding in the capture of warriors such as Geronimo. This was at sixteen. He was hired by the U.S. Cavalry.