mark moffat and ann taliaferro.team decided to visit the home to see if the plans were accurate. we later made that same trip with moffat who showed us what they discovered. >> this is the area in question? it's pretty small. >> it is, it's really small. we immediately started measuring. we knew right away that there was a big problem with the diagrams and the measurements. >> the problem, all those measurements were off. >> instead of 139 inches. somebody took the figure 139 and interpreted it to be 13.9 feet. 33 inches became 3.3 feet and on and on and on. >> according to moffat, those flawed measurements, which were used in court, made the house appear to be much bigger than it was. >> they used the theme of distance to argue that mr. truman was lying about where he said his wife was when he heard what turned out to be this fatal shot. >> at trial, the prosecution argued, to believe conrad, you have to believe heidi shot herself in the bathroom then walked 12 feet before falling to the floor and according to medi