>> i did. i couldn't believe there was a situation where that long shot happened, where he would be freed. >> reporter: juror brian christenson said he and his fellow jurors had no choice but to set conrad free. >> i believe that we all pretty much felt that he probably did it. >> reporter: but you voted to acquit. >> we voted to acquit. >> reporter: because you had reasonable doubt? >> we had reasonable doubt. >> reporter: whether you believe mr. truman is innocent or not, those measurements either put an innocent man in prison or let a guilty man go free. >> well, so you're right. but my opinion hasn't changed. do i think he got away with murder? yeah, i do. >> reporter: what's it like to have your work called into question in a way that frees the guy you helped to convict? >> it's frustrating that a measurement that's inconsequential actually ended up freeing him. >> reporter: what's life been