He was removed from the show on October 20, 2021 after a controversy surrounding his relationship with an ex-girlfriend.
Other cases involve a nine-year-old girl being killed because of a drunk driver Hagman-directed , the return of Parker's stepfather, Roy Eversole , first seen in Season 6 and his lady friend Miss Roda.
When Carroll O'Connor approached Nicholas about the storyline, it had upset her greatly and she had to write him a note explaining the situation, as he was unaware of the circumstances.
In the 7th season, McComb becomes too ill to continue his duties, and Gillespie is appointed as acting sheriff in his place.