A Startling Confession

After questioning him for over 20 hours, it would seem that he would crack under pressure. David would shockingly confess that he and Martha had a fight over money, as many siblings do. And when Marta hit him, he ended up pushing her back, causing her to fall onto a metal spike and puncture her head, dying immediately. He panicked and buried her body, managing to keep his awful secret for over 25 years. And because of lack of evidence and other issues, David was never convicted of her murder, but it has been said that he has had mental problems since the day she went missing, probably because of the guilt he had carried for all those years.