Mrs. Patterson is the widow of the deceased Frank Patterson.
Throughout the Series[]
In the Season One episode M.E. Time, the body of Frank Patterson is discovered in their apartment, his death appearing to be from natural causes. Further investigation by Charles Boyle proves that there was foul play and after the autopsy showed his cause of death was poison Mrs. Patterson is arrested for murdering her husband.
Behind The Scenes[]
The actor who plays this character, Becky Thyre, was also on Parks and Recreation. Brooklyn Nine-Nine co-creators Michael Schur and Dan Goor both worked on the show.