HLN Nancy Grace December 25, 2009
tonight, real life pet detectives. animals to the rescues. dogs, cats, even pigs, cracking cold cases, saving lives. tonight, "animal csi." jack hanna with the columbus zoo. his show "jack hanna into the wild." our first guest tonight is robert cornfield from the police unit and with him, his special guest, sergeant joe friday. tell me all about sergeant joe friday. >> he's a 9 1/2-year-old german shepherd. both of us just retired recently. i've been retired for about a month and him about the same. and we are both enjoying retirement. he has a work ethic and wants to go work when ...