SELLS, Arizona, Aug. 6 -- The U.S. Department of Homeland Security's Immigration and Customs Enforcement issued the following news release: Last week, two men pleaded guilty in Tucson federal court to conspiracy and transportation of illegal aliens for profit resulting in a death. Homeland Security Investigations (HSI) and the Tohono O'odham Police Department (TOPD) conducted the investigation into this case. Matthew Dylan Ramirez, 20, of Tempe, and Jesus Madrid-Varela, 19, of Mexico, will be   more