Angel Maturino Reséndiz (August 1, 1959 – June 27, 2006), also known as The Railroad Killer, was a Mexican itinerant serial killer suspected in as many as 23 murders across the United States and Mexico during the 1990s. Some also involved sexual assault. He had become known as "The Railroad Killer" as most of his crimes were committed near railroads where he had jumped off the trains he was using to travel about the country.