all the while looking and acting like best friends. as sheila and skylar do in this video. as part of the plan, rachel and sheila settled on the night of july 5th as the ideal time to kill skylar. >> earlier that day, rachel had obtained the shovel from her father's residence, put it in sheila's trunk, brought the clean clothes, cleaning supplies and according to rachel, sheila had provided the kitchen knives. >> they called skylar to say they were on their way over. >> pulled up to the residence. >> and there is skylar, sneaking out in that grainy surveillance video. the car is sheila's and inside are skylar's two best friends. >> skylar gets in the car and they go driving. >> and they drove for nearly an hour for miles and miles, dark, winding roads out past blacksville. >> they get to the scene.