>> she didn't have happened. she didn't ask anything else. >> that was diana story. she hired her shooting instructor to intimidate greg. but that was it. so now police had another suspect, weldon make david. his wife lea was home with her newborn baby when her phone rang. >> and i answered the phone, it was what, they were on my street and told me to come out of the house with the baby. >> where you -- did you have any close to either where? they're >> none. >> they were there to look for evidence that weldon shot greg mulvihill. >> the most striking thing about the house that mr. mcdavid had guns everywhere. >> the district attorney said that they found a number of guns in the house, but none was connected to the crime. but then, hidden in the garage -- >> they found the upper portion of an ar-15. >> police notice there was a suppressor, or silencer, attached to the weapon and a