ben hobbs and chris tapp were guilty, they were sure of it. so that mystery dna must have come from a third man, a third attacker. so they put tapp back in the interrogation room and asked him was a third man involved in the crime? and sure enough, chris tapp said, yes, there was a third man. but no matter how many times detectives asked, he couldn't or wouldn't tell them who it was. the prosecutors made a decision, if tapp wasn't going to tell them the whole truth, he wouldn't get his deal. chris tapp was charged with murder, but only chris. not enough evidence to go after hobbs or anyone else. the announcement caught carol dodge by surprise. detectives had kept her in the dark until now. but one look at christopher tapp in court and she knew she wanted him dead. >> it was finally looking, somebody in the eye, i thought was the devil who had taken my daughter's life. >> reporter: chris tapp was found guilty and set off to state prison for 40 years, which is when carol dodge's odyssey really began. her own investigation filled with danger, sur

>> absolutely. >> reporter: as for ben hobbs, he's still in prison in nevada.till denies any involvement in angie's murder. he declined "dateline's" request for an interview. but dr. greg hampikian of the idaho innocence project, the answer still lies not on the machinery of law, but in science. that dna left at the scene, it points, he says, to the simplest explanation, not to a third man or even a second one, but just one. what are the chances the story can remain a secret that many years if three people were involved? >> secrets can be kept, but science reveals those secrets. somebody went in and committed a typical violent rape/murder and left typical evidence. there is no other person there by dna. where is he? >> reporter: where indeed? and carol dodge is still tortured, still pondering that last message from her angie, that she had done something stupid. sounds to me like you believe she had crossed or double crossed somebody who was very dangerous. >> she crossed the line and didn't have any clue of what she had gotten herself into. >> reporter: and nei

. ♪ >>> here's simon hobbs with a look what's coming up in the next hour of "squawk on the street." >> good morning to you. how can beny anything that's going to move the markets on friday if he doesn't know what the europeans are going to do next thursday? bill gross will talk about that from pimco in the next hour. and as paul ryan expects to take center stage in florida, former mississippi governor haley barbour will also join us. we'll also have the new york jets owner. it's a big hour. >> thank you. time for the global stocks to watch. joy global cutting its outlook citing slowing demand in china. a higher than expected first quarter profit after a surge in orders. and sealed air announcing its chief executive with retire in march. jerome pembare named his successor. two stocks where the ceo is leaving and popping. i keep thinking back to avon. another stock that popped when its female ceo is fired. it's a legitimate question. what about stocks that move to the upside when they let go of their female ceo? >> oftentimes you see stocks move up when a ceo has been released who hasn't performed well. shares rally, pe