at that point we had his car impounded and we found the child's prints all over the car, the hood of the car. of course we didn't want to believe a police officer would do this. >> teresa mcabee's autopsy revealed she had been sexually assaulted and strangled to death. a pubic hair was also found in her underwear. >> we got a court order and took samples from duckett. that's when it came back for positive identification. >> a policeman who may have been the last person to see 11-year-old teresa mcabee alive is under investigation himself tonight. >> i couldn't believe it. he was supposed to serve and protect the community. she probably thought, well, he's a police officer. he'll take me home. but that never happened. >> residents are outraged. >> you teach your children to go to a police officer if they are in trouble or need help.