It's a Nissan...they have been known to lock themselves after a few minutes. Not sure that is what happened here but from personal experience, I know it does happens.One thing that really bothers me...the scent leading to the clubhouse. In the 2005 Fairfax Rape & vicious attack...the victim was dragged to the clubhouse. The sketch, in Morgan H's case comes from that case and DNA linked one man to both the FFX victim and MH.
I checked the court records for SMC and he has lots of arrests for minor offenses in Appomattox County but it does not appear as if he was incarcerated at the time of MH's death. I checked court records for Nelson, Albemarle, Fairfax and Orange Counties in Virginia and found nothing further.
His last arrest was for leaving the scene of an accident...not sure if that was a felony or not. AFAIK, Virginia requires DNA for felonies and possibly not Misdemeanors. However, the Fairfax County Police arrested Vanessa Pham's killer on a simple retail charge of something similar to changing a tag on an item. But the value of the item may have made it a felony. With that arrest they actually had forensic evidence linking him to VP's murder. Had to have been DNA because, it seems, he would have been fingerprinted for his other earlier arrests.