"We are without remedy," Mesa County District Attorney Dan Rubinstein said.
The U.S. State Department says all registered sex offenders who have molested minors will soon need mandatory marks in their passports identifying them as predators.
A civil rights group is challenging a new federal law that will require the State Department to put identifying markers on sex offenders' passports.
"Sweetie" sting reveals tens of thousands of men looking for underage girls to perform sexual acts on a webcam
Signers of a petition want her to face the same charges other minors in the U.S. must face