Gregoryf Taylor News Today

Scene of a beating. >> reporter: he was a star witness for the prosecution in the peterson trial, the blood pattern expert who put michael peterson in the staircase bludgeoning his wife, reporter julia sims. you talked to the jurors here in this case, julia. how important was the blood expert, deavers testimony? >> that blood evidence was critical. heres a guy who has been doing this for years for the state. look at what his experiment showed. its got to be the truth. >> reporter: hed been key i...

>> gregory f. taylor is innocent of the charge of first-degree murder. >> reporter: and there was more evidence of questionable conduct linked to deaver. the newspaper investigation suggested that the methodology behind some of the blood pattern experiments he was involved in was flawed, designed to produce pro-prosecution results. like this test conducted for a 2009 murder case. deaver, videotaping the experiment, was attempting to match a blood stain on the shirt of the accused. >> oh, even be...

>> my opinion is that this is scene of a beating. >> he was a star witness for the prosecution in the peterson trial, the blood pattern expert who put michael peterson in the staircase bludgeoning his wife, reporter julia sims. you talked to the jurors here in this case, julia. how important was the blood expert, deavers testimony? >> that blood evidence was critical. heres a guy who has been doing this for years for the state. look at what his experiment showed. its got to be the truth. >> hed ...

>> reporter: he was a star witness for the prosecution in the peterson trial, the blood pattern expert who put michael peterson in the staircase bludgeoning his wife, reporter julia sims. you talked to the jurors here in this case, julia. how important was the blood expert, deavers testimony? >> that blood evidence was critical. heres a guy who has boon -- been doing this for years for the state. look at what his experiment showed. its got to be the truth. >> reporter: hed been key in other case...

>> reporter: that mans conviction was overturned. >> gregory f. taylor is innocent of the charge of first-degree murder. >> reporter: and there was more evidence of questionable conduct linked to deaver. the newspaper investigation suggested that the methodology behind some of the blood pattern experiments he was involved in was flawed, designed to produce pro-prosecution results. like this test conducted for a 2009 murder case. deaver, videotaping the experiment, was attempting to match a blood...

The newspaper recounted the story of a man who was sent to prison for murder after deavers lab report suggested a stain on the mans car was the victims blood. >> and it turned out not to be blood. >> wasnt blood at all. >> huh-uh, no. >> and deaver knew, and didnt disclose it? >> deaver knew that that was not blood and didnt disclose it. >> reporter: that mans conviction was overturned. >> gregory f. taylor is innocent of the charge of first-degree murder. >> reporter: and there was more evidenc...

>> gregory f. taylor is innocent of the charge of first-degree murder. >> reporter: and there was more evidence of questionable conduct linked to deaver. the newspaper investigation suggested that the methodology behind some of the blood pattern experiments he was involved in was flawed, designed to produce pro-prosecution results. like this test conducted for a 2009 murder case. deaver, videotaping the experiment, was attempting to match a blood stain on the shirt of the accused. >> oh, even be...

Showed. its got to be the truth. >> reporter: hed been key in other cases, too. the newspaper recounted the story of a man who was sent to prison for murder after deavers lab report suggested a stain on the mans car was the victims blood. >> and it turned out not to be blood. >> wasnt blood at all. >> huh-uh, no. >> and deaver knew, and didnt disclose it? >> deaver knew that that was not blood and didnt disclose it. >> reporter: that mans conviction was overturned. >> gregory f. taylor is innoce...

>> my opinion is that this is the scene of a beating. >> reporter: he was a star witness for the prosecution in the peterson trial, the blood pattern expert who put michael peterson in the staircase bludgeoning his wife, reporter julia sims. you talked to the jurors here in this case, julia. how important was the blood expert, deavers testimony? >> that blood evidence was critical. heres a guy who has been doing this for years for the state. look at what his experiment showed. its got to be the ...