UPDATE: Shain Gandee, his uncle and family friend all died from carbon monoxide poisoning, the Kanawha County Sheriff's Office said on Tuesday afternoon.

Buckwild star Shain Gandee's parents remain in shock Tuesday, following their son's tragic death with his uncle and close friend in what is believed to be the result of carbon monoxide poisoning.

"His mom kept staring at his picture and his dad was all to pieces, because he's lost his son and his brother both," the 21-year-old reality star's neighbor and family friend Swanna Frampton told WSAV-TV in West Virginia.