Santa Fe County Sheriff Adan Mendoza told NBC's “Today” show that investigators were trying to sort out conflicting stories about the doors. He said several doors were unlocked and a rear door was open, which allowed two dogs that survived to go in and out. He also said he thinks the front door was closed but unlocked.

Betsy Arakawa was a classical pianist, creative partner and supportive wife who loved watching DVDs with her husband Gene Hackman.

The Santa Fe County Sheriff's Office initially indicated "foul play was not a factor," but investigators quickly reversed that statement, calling the deaths "suspicious" amid an ongoing investigation.