How many times did the Chief U. S. Marshal J. P. McShane lead a small group of deputies, without loaded guns, to register Meredith at Ole Miss?

There were three times that the Chief U. S. Marshal J. P. McShane lead a small group of deputies, without loaded guns, to register Meredith at Ole Miss. Each of the three times that the Chief U. S Marshal J. P. McShane did this, they were accosted by state politicians and state troopers who were loyal to Barn