A group of civilians called upon by a sheriff or other law enforcement official to assist temporarily in preserving the peace or pursuing and arresting a fugitive.
A search party.
A gang involved in crimes such as running guns and illegal narcotics trafficking.
The term POSSE means:
I choose to disagree with you on this.
Are we not a search party?
Fair point. Do we have to take away Andre's posse too?
https://www.grapheine.com/wp-content/uploads/2016/04/andre-the-giant-had-a-passe-800x697.jpg