berryman became ensnared in.sic evidence was so strong that the jury convicted very quickly, and there really was just no way to explain away all the different forensic evidence. >> the amount of evidence and the quality of that evidence, i think that's what made it easy for the jury to come to the conclusion that mr. berryman was guilty and deserved the highest penalty. >> if it wasn't for the crime lab on the other side taking what we found during that almost 24-hour period where we were running to find this guy, i don't know that we would have been successful in the prosecution. >> i still have to say that at that time and at that place, the scientific and forensic work that was done was excellent. and it was correct. >>> the medical examiner ruled the death an accident. but a forensic detective disagreed. the final resolution took three long years and raised questions about the accuracy of an autopsy. >>> paterson, new jersey, is an industrial suburb outside new york city which has its share of violent crime.