 Complete the following phrase:  Despite his regret over the shooting death of White and his assistance from Earp in being taken out of town Earp also ended up testifying on his behalf, Brocius resented having been pistol-whipped by Earp during his arrest. This was one factor that led to increasing tensions between the Earps and the Cowboys. After the Gunfight at the O.K. Corral a year later and the murder of Morgan Earp in March 1882, Wyatt Earp 