Jack Fisher is a fictional character portrayed by Peter Mackenzie in the TV series Criminal Minds.
In the first episode they appeared in, titled Poison (season 1), they were 44 years old.
They appear in 1 episodes out of a total of 339 aired so far
Episodes1
Poison
episode S1.E13 january 2006The apparent spiking of citizens of a town in New Jersey, puts the BAU on the trail of a poisoner who may not be done.