The climactic interrogation footage is time stamped 03-12-82. The subsequent newspaper article detailing the outcome of the case is dated February 11, 1981.
When everyone is dancing on the bed, Tasha joins them behind Danny. When the shot cuts to another angle, she is in the foreground dancing on the floor not on the bed.
Danny is a natural right handed hockey player, yet he plays with a left handed stick while skating alone on the lake.