Duncan is a fictional character portrayed by James McElroy in the TV series Criminal Minds.
They appear in 1 episodes out of a total of 339 aired so far
Episodes1
Secrets and Lies
episode S1.E21 may 2006The BAU team investigates a CIA counter-terrorism unit to identify a traitor who had a fellow agent murdered and who is trying to find and kill the unit's informant, a Saudi woman with two children who are in hiding.