Quiñones has reported on a wide range of stories originating from Central America, including the political and economic turmoil in Argentina and civil war in El Salvador. He also covered such stories as the explosion aboard the U.S.S. Iowa, the execution of serial killer Ted Bundy and the debate over the availability of guns in Florida.
In 1988, Quiñones filed more than 50 reports from Panama, detailing the country's turmoil and U.S. efforts to oust Manuel Noriega. In January 1986, he covered the space shuttle Challenger disaster from Cape Canaveral, Fla.
In April 1990, Quiñones received a National Emmy Award for his work on the documentary, Burning Questions, The Poisoning of America, which aired on the ABC in September 1988.
Prior to joining ABCNEWS, Quiñones was a reporter with WBBM-TV in Chicago, where he covered a variety of stories on local, national and international issues, including a report on the Haitian boat people in 1982 and the Cuban boat lift in 1980. Quiñones won two Emmy Awards for his 1980 reporting on the plight of illegal aliens from Mexico.
From 1975 to 1978, Quiñones was a news editor at KTRH-Radio in Houston. During that period, he also was an anchor-reporter for KPRC-TV.
Quiñones received a bachelor of arts degree in speech communications from St. Mary's University, San Antonio, Texas. He received a master's degree from the Columbia School of Journalism.