Pit bulls are eager to please, faithful and enthusiastic friends and pleasant with children according to credible canine organizations. But they have fallen from grace. Now often associated with gang members, dog fighting and attacks. That's about to change. Animal Planet introduces you to this dog's greatest ally, and she's not a man - she's a fiery red-headed leading lady, and she's determined to end the needless hostility toward pit bulls. Meet Tia Maria Torres - 49-year-old mother, top pit bull trainer and founder and owner of Villalobos Rescue Center - the country's largest rescue facility for pit bulls.