the pursuit ended with the swarm of deputyies not just them some more coming into the picture here as they kick and punch the suspect. that suspect has a lawyer now and he's calling his clients beating worse than rodney king. stephanie elam is following developments for us this morning, good morning stephanie. >> good morning, victor and chris. >> the fbi launched an investigation to find out whether or not the man at the center of this video if his civil rights were violated. >> here's your pursuit. >> reporter: a police chase that looks like something out of the wild west. >> i've got this guy on a stolen horse. >> reporter: 30-year-old francis pusok attempting to yacht run law enforcement on the back of a stolen horse in a rural part of san bern dino county. a knbc helicopter was recording as the bizarre chase ends when the horse bucks the suspect. >> the suspect being tased. >> deputies a attempt to tase him. as deputies get closer pusok