When his picture appeared on the cover of Texas Monthly, Joaquin Jackson became the icon of the modern Texas Rangers. Nick Nolte modeled his character on him in the movie Extreme Prejudice. Jackson even had a speaking part of his own ...

No Texas Ranger memoir has captured the public's imagination like Joaquin Jackson's One Ranger. Readers thrilled to Jackson's stories of catching criminals and keeping the peace across a wide swath of the Texas-Mexico border—and cla...