Untouchable - S3-E20
Visible crew/equipment: At the start, the camera crew can be seen reflected in the car's paint as it pans past the car. (00:00:25)
Untouchable - S3-E20
Visible crew/equipment: After Abby has convinced Jimmy to begin the autopsy, Ducky soon applauds Jimmy's initiative. As this enjoyable scene continues, when Mrs. Mallard walks in, just as Ducky says, "We did go for a ride, Mother," the hand of a crew member is visible on the lab fridge, at the right side of the screen. (00:29:45)
Chosen answer: It is never stated, however she must have been there several years if she is on presidential detail.