Gunman is a fictional character portrayed by Michael Johnson in the TV series ER.
In the first episode they appeared in, titled May Day (season 6), they were 60 years old.
They appear in 1 episodes out of a total of 331 aired
Episodes1
May Day
episode S6.E22 may 2000As the result of a school shooting, Kovac and Benton care for the gunman and his victims. Abby discovers that Carter has been illegally injecting pain relievers. Greene and Weaver confront Carter about his problem, and Weaver orders him to enter a drug rehabilitation center or leave the hospital permanently.