Also during his studies he worked as a manager of AM station KVIK, as well as at KRXK and KRIC radio. Rascon started his career in reporting and anchoring for KBYU-TV and KBYU-FM. He also worked with the Public Relations Department at BYU. He moved beyond Utah County as an intern and later became associate producer at KTVX where he would rip scripts and write stories.
He has worked with KTRK since 1998, and before that he was a correspondent for CBS News. During his time with CBS News, he reported such events as the Oklahoma City bombing, Haiti's civil unrest, Mexico's guerilla wars, Peru's hostage standoff, Cuba's downing of U.S. planes, TWA, Value-Jet, and other airline disasters. He also covered hurricanes throughout the Caribbean and reported from the heat of conflict in Central America, interviewing such tyrants as Manuel Noriega and Daniel Ortega. Rascon traveled extensively reporting on a host of domestic and international stories.
Before reporting for CBS News, Rascon reported for KABC-TV in Los Angeles from 1989 to 1994, covering such notable stories as the O.J. Simpson case, the Rodney King beating trial, the subsequent Los Angeles riots, the Branch Davidian stand-off, and the Menendez trial, as well as earthquakes, fires and floods. Rascon filed dozens of reports for ABC NewsOne, an ABC affiliate news source.
Rascon has reported from more than fifty countries, five continents, and nearly every State in the Union. He has been nominated for 22 Emmy awards and has won 16. He's also the recipient of more than three dozen other local and national reporting awards, including two national Edward R. Murrow awards, three National Association of Hispanic Journalists' awards, the International Rotary award, two Headliner Awards, the RTNDA Award for Continuing Coverage and 18 Associated Press Reporting awards. He has won more than two dozen outstanding reporting awards from Press Clubs in Los Angeles and Houston.
The National Hispanic Business Magazine named Rascon one of the 100 Most Influential Hispanics in America. Rascon is a former board member of The Radio Television News Directors Association and a former Vice-President of the National Association of Hispanic Journalists. He is an active participant of several charity groups. He also serves as President of the Rascon Charity Foundation for Children.
In 2011, he returned to BYU and presented the keynote address at the Convocations for the College of Fine Arts and Communications. In 2013, he was honored with the College of Fine Arts and Communications' Alumni Achievement Awards at BYU's Homecoming ceremonies.