Detective Cornelius Martin is a fictional character portrayed by Keith Diamond in the TV series Criminal Minds.
In the first episode they appeared in, titled Plain Sight (season 1), they were 43 years old.
They appear in 1 episodes out of a total of 339 aired so far
Episodes1
Plain Sight
episode S1.E4 october 2005A serial rapist-killer active in San Diego targeting middle class women glues his victims eyes open.