Ugh, just watched the Devil's Bathtub rerun. I do think all four of the defendants were in on the plot, but I can see how there would only be enough evidence against Laura and Colin for a murder conviction. Every time they showed Colin striding around like he owned the place, I was kind of hoping he'd trip and fall or something. He just seemed so smug for somebody who had participated in the murder of his own father.
And sorry, fiance Chelsea, I'm not feeling any sympathy for you. So you saw the security footage of Colin buying a shovel, gloves, drain cleaner, and a tarp, and you TH