and get rid of it? >> i believe so. >> jurors heard that and then heard it challenged on cross-examination. and they had to digest the stunning 180 during defense closing arguments putting hernandez at the scene of the crime. >> he was a 23-year-old kid who witnessed something, a shocking killing, committed by somebody he knew. he really didn't know what to do. >> seven women and five men spent 36 hours, over more than seven days trying to decide beyond a reasonable doubt what all of that added up to. none have been on a jury for this length of time and all say that once is enough. listening to the stories of what it is like it is not hard to see why. >> there were a lot of witnesses and there was a lot of evidence presented. is that what made it so difficult or was there also just the emotional toll of dealing with somebody's life? >> emotional. >> you have to consider