A multi-agency sting operation in Arizona involving federal agents and local police has resulted in the arrest of 39 men charged with various sex crimes with minors. Special agents with Homeland Security Investigations (HSI) and members of the Tempe, Phoenix, Scottsdale and Mesa Police Departments, the FBI and the Arizona Attorney General’s Office joined forces in operation “Behind the Mask,” an undercover operation that targeted the demand for child sex crimes and human trafficking. “Throughout the operational period, undercover detectives placed ads on websites commonly sought out by suspects seeking illegal sex acts,” according to HSI in a press release. “The suspects reportedly solicited and/or brokered deals for various sex acts and were subsequently arrested.” The suspects, all men, range in age from 20 to 64. They are facing various felony charges that include child sex trafficking, luring, aggravated luring, attempted sexual conduct with a minor, money laundering, possession of …