The jury convicted Glenn Gregory of 13 counts of stealing from his 89-year-old step-grandmother.
Denver International Airport is one of two where the new technology will be tested.
The mayor and other city officials has written to Immigration and Customs Enforcement asking them to "show respect" for local government.
While not filing charges, District Attorney Beth McCann was critical of the department's handling of the request.
Rules include ventilation plan and requiring patrons to sign acknowledgment that they won't drive impaired.
Denver officials had asked them not to do that.
"Current construction challenges," force a reevaluation of the schedule, according to the Regional Transportation District.
Arturo Hernandez Garcia lived in a church basement for nine months until he was told he wasn't a priority became a priority.
“Seeing our Civic Center in a state of disrepair was for many in our city...deeply disappointing and discouraging," Mayor Hancock said.
The Public Safety Office determined the three violated department procedures.
Teen was shot and killed by police in 2015.
"We have victims of domestic violence refusing to come to court...which results in violent criminals being released," Denver officials say.