After graduation, he served in the United States Army with 82nd Airborne Division, and later attended the John F. Kennedy School of Government at Harvard University.
[1] Munoz was Chairman of the Transportation Committee; Vice-Chairman of Environment and Energy; and Sub-Chairman on the Subcommittee on Licensed Professionals.
Munoz helped pass a bill to grant Illinois’ children of illegal immigrants access to instate tuition levels so that they can continue their education at the state's public colleges and universities.
In 2006, Munoz co-sponsored a bill to expand the ability of local police agencies to use money generated by fines stemming from convictions for driving under the influence.
This bill allows for a much wider use of DUI funds by law enforcement in combating alcohol-related crimes, like training and setting up check points.