he is an american staffordshire terrier. this is in san francisco. that is where charlie lives. charlie is in danger of losing his family and his life. charlie was taken to a park where animals are allowed to run off leash. he got into an incident. police say charlie attacked a horse with a cop on his back. because he is a pit bull, charlie has been taken from his owner. >> oh, wow. that's a big gouge on the horse's thigh. >> the dog went after a horse with a cop on it. >> yes. >> oops. >> this is charlie's owner. he's really disappointed. >> i'm a little nervous but i'm trying to be optimistic. >> ktvu talked to the owner of charlie before a hearing where police were going to hear from the park's officer that was involved in the incident and the dog's owner. >> he was just completely covered by gashes, blood. the dog chased my horse for 1.6 miles. that's unheard of. >> this incident happened making it really hard to argue in the favor of this dog in this particulars case. >> what the owner was saying is that you have farm animals like a horse in an area where dogs domesticated