Detective Gassner is a fictional character portrayed by Robert Englund in the TV series Criminal Minds.
In the first episode they appeared in, titled Heathridge Manor (season 7), they were 64 years old.
They appear in 1 episodes out of a total of 339 aired so far
Episodes1
Heathridge Manor
episode S7.E19 april 2012When an Oregon woman is found dead in an abandoned asylum, the BAU realizes that the victim is part of a series of gothic, ritualistic murders and the suspect might be a Satanist.