Investigators asking for all video footage pertaining to Nancy Guthrie’s disappearance covering the month before the 84-year-old went missing removed the remaining Nest doorbell camera equipment from her door while shrouded by a white tent outside her house Thursday. The white tent was erected hastily and stayed up for about an hour as investigators gathered evidence in secret. The only discernible difference when the tent came down was the missing bracket that once held a Nest camera a masked