SAN FRANCISCO─A San Francisco man was arrested in Alaska during a traffic stop on Tuesday, December 6, after being wanted by authorities for more than 4 years in connection with a child pornography investigation, the Immigration and Customs Enforcement announced.

Kevin Trask, 40, had been driving near the Fairbanks International Airport, where officials noticed defective equipment on his vehicle and pulled him over. According to ICE officials, Trask initially gave authorities a false name, though after investigating, police were able to discern his true identity. He admitted his real name and officials discovered a felony warrant in connection with a child pornography investigation, ICE officials reported.

San Francisco Homeland Security officials began searching for Trask in March 2012, after he allegedly downloaded and distributed child pornography with an IP address that was traced back to San Francisco, ICE officials noted.

He made an appearance in federal court in November 2012, where he was charged with distribution and possession of child pornography. An investigation revealed Trask was in possession of more than 700 photos and 10 videos of child pornography, some which depicted sexual acts with toddler-aged children and sadomasochism.

San Diego Homeland Security investigators made two attempts to locate Trask in the region following his 2012 court appearance and the other in January 2013, both of which were unsuccessful. Agents made one final attempt to locate Trask in September 2013 utilizing the ICE’s smartphone application, where he was listed as a suspected child predator.

According to reports, Trask has been labeled as one of the Bay Area’s and Homeland Security’s most wanted criminals.

Following the arrest, the ICE announced that Trask is in the custody of the United States Marshals and will be sent back to California.

“{The arrest} wouldn’t have come had it not been for the stellar efforts of the Fairbanks Airport Police Department. Their instincts and diligence led to the arrest of an HSI (Homeland Security Investigations) most wanted fugitive and could very well have saved potential young victims from future harm,” said San Francisco Homeland Security Agent Ryan Spardlin.