that's what got you here. >> in a crush of reporters, greg taylor was released the same day. >> unbelievablethese years, what this day would be like. 6,149 days. and finally the truth has prevailed. >> but taylor's case got two of those reporters wondering. how deep did the problems at the sbi go? >> we've covered a lot of cases of prosecutorial and police misconduct. some of them involve the sbi agents. and we've been saving string for years on this. but what really got our attention focused on the sbi was the case of greg taylor. >> raleigh news and observer reporters mandy locke and joe neff refewed more than 15,000 page es of documents in a month's long investigation of the sbi. they found sbi agents cut corners, bullied the vulnerable, and twisted reports and court testimony. >> there was language in their reports that told lab analysts how to testify in court in a way that most of us would agree favored the prosecution. they were told that a good testimony would enhance their conviction rate. >> problems with the sbi crime lab went far deeper than the taylor case. >> and in several cas