Delta Air Lines co-pilot arrested by Homeland Security on charges of child sexual abuse material

A Delta Air Lines co-pilot was arrested by Homeland Security Investigations (HSI) agents on charges of child sexual abuse material, a senior federal source confirmed to Fox News.

The dramatic arrest happened at San Francisco International Airport on Saturday night, according to reporting by The San Francisco Chronicle.

The outlet reported that the flight from Minneapolis landed around 9:35 p.m. after being delayed on approach twice due to heavy fog. 

Once the plane parked at the terminal gate...