Administering Polygraph News Today

>> a teenager, home alone in the night of terror. >> i would just stare out the window and try and figure out how scared she must of been. >> on her body, like a signature, a handprint in blood. >> it was a crime of passion. theres a lot of anger involved in this. >> but how long? because that handprint doesnt belong to the man police put in prison. >> the anger just surged through me. >> now, a mother turns detective. >> her words to me were, i just want to know what happened to my da...

>> a teenager, home alone in a night of terror. >> i would stare out the window and try to figure out how scared she must have been. >> on her body, like a signature, a handprint in blood. >> it was a crime of passion. theres a lot of anger involved in this. >> but how long? because that handprint doesnt belong to the man police put in prison. >> the anger just surged through me. >> now, a mother turns detective. >> her words to me were, i just want to know what happened to my daughter...

With christopher -- >> hypothetically chris, how do you think it happened? >> and i remember chris saying, you mean like a tv show? >> next she saw police administering polygraph, esther after polygraph and always with the same result. they would say that he was deceptive. and when he was promised immunity, his story about benjamin hobbs changed. >> he got a knife. and he just heard to qatar. >> but perhaps was troubled carroll most was seeing how confused tapp was. even ten days after his first...

A year and a half earlier, four facilities in south america were shut down because of security concerns. and in 1999, six embassies in africa were closed also for security reasons. now from preventing a terror strike to cleaning up, fox news learned about steps the obama administration is taking to keep a lid on what happened in last falls benghazi attacks. chief washington correspondent james rosen has new information tonight. >> reporter: veterans of the intelligence community tell fox news ...