Sheriff Tony Estrada, from immigrant to leading a legacy in Arizona Marco Antonio Estrada, known as Sheriff Tony Estrada, has become Arizona's longest-serving sheriff as well as the only Latino sheriff in the state. and last updated 2020-12-31 19:00:52-05 Marco Antonio Estrada, known as Sheriff Tony Estrada, has become Arizona's longest-serving sheriff as well as the only Latino sheriff in the state. This New Year's Eve, he prepares to leave the office where he served for nearly 30 years. âItâs been an honor, I came from Nogales, Sonora. I immigrated when I was about a year-and-a-half-old,â said Estrada. Estrada says it was his humble beginnings as an immigrant that led to his success.