Joshua Glen Box confessed to police that he had been downloading child pornography since he was 15 years old.
“We are without remedy,” Mesa County District Attorney Dan Rubinstein said.
Some experts think the procedure could be a human rights violation.
Investigators began searching the man's property Thursday after finding a woman in a locked container.
A civil rights group is challenging a new federal law that will require the State Department to put identifying markers on sex offenders' passports.
Mandatory lifetime registration shatters the lives of many non-dangerous children.
“Sweetie” sting reveals tens of thousands of men looking for underage girls to perform sexual acts on a webcam