What has the secret committee of Poker Flat decide to do? How has this decision carried out?

In the beginning of “The Outcasts of Poker Flat” the reader is told that the town has created a secret committee that was in charge of ridding the town of all of the evil and “bad people” who have been causing problems to the other townspeople.  There have been a number of murders and robberies; therefore, the committee has decided that there are certain people who must be taken out of the town in order to preserve the peace and serenity of Poker Flat.  Those who have been deemed evil or bad are escorted to the outskirts of town and must fend for themselves until they reach the next town.  In the instance of this particular story, the outcasts are on their way to Sandy Bar.