Groundskeeper #1 is a fictional character portrayed by Gerard Ender in the TV series Person of Interest.
They appear in 1 episodes out of a total of 103 aired
Episodes1
Pilot
episode S1.E1 september 2011A mysterious benefactor gives an ex-government operative a chance at redemption. All they have is the name of a person who will be involved in a violent crime, whether as victim or perpetrator, they don't know, but will find out.