Transportation Security Administration
The measure would end free trials of TSA's PreCheck trusted traveler program.
The senator wants airport employees to face the same screening as passengers.
Denver officials said initially that no victims had come forward.
A pair of TSA agents were fired for allegedly plotting to grope male passengers.
Sen. Bill Nelson said airport workers should have to go through similar screening as passengers.
The unclaimed money can be used by the agency for airport security operations.
A confidential checklist reveals a point system employed by the agency.
A convicted felon was granted expedited screening in 2014.
A watchdog reported a felon was cleared for the TSA's PreCheck program last year.
The expedited screening program is available at 31 U.S. airports.
A watchdog found the traveler was formerly in a domestic terrorist organization.
Rep. Bill Shuster (R-Pa.) said airport security should be left to private companies.
President Obama nominated Coast Guard Vice Admiral Peter Neffenger to lead the TSA.
Homeland Security Secretary Jeh Johnson said the announcement could come Tuesday.
The new procedures follow a series of high-profile breaches.
Two agents at Denver airport are accused of targeting "attractive" male passengers.
The former TSA employee recorded a female co-worker at the Nashville airport.
The ACLU had filed a complaint on behalf of a woman who said she was profiled.
Ex-TSA Administrator Kip Hawley says background check cannot predict future actions.
Rep. Bennie Thompson grilled TSA officials about a passenger's expedited screening.
The push follows a recent machete attack at the New Orleans airport.
A machete-wielding man attacked two TSA agents in New Orleans last week.
The group says a TSA program "has given rise to allegations of racial profiling."
The agency has had an interim chief since the beginning of the year.