maricopa county sheriff joe arpaio said that the two jail employees began telling the young man to go back to his cell before being hit repeatedly .
the inmate then began punching beatty and the other officer in the room , who did not have any prior incidents of bad behavior , was not injured .
after knocking beaty to the ground , the inmate , who was not immediately affected by four taser shots , was eventually subdued by a group of officers who came to the scene .