The name Joaquin Guzmán may not sound familiar. But what if we told you he’s considered the world’s most powerful drug trafficker and is responsible for an estimated 25 percent of the illegal drugs that enter the U.S. through Mexico? He has illicit dealings around the world yet no one knows where to find him. The Univision investigative team has done months of research on Guzmán, better known as “El Chapo,” and traced his footsteps for a documentary special airing this Sunday, November 3 on both Univision (7 p.m. EST) and Fusion (8 p.m. EST). Take a look.