Supermodel Maggie Rizer claims that United Airlines killed her dog when they didn’t open air vents in the cargo area of the plane while delayed for two hours. Maggie says her died from a heat stroke, but that isn’t the worst part. Upon landing, Maggie was unsympathetically told that the dog died and they sent it to vet to find the cause of the death but in reality the dog was just left dead in the crate and not send anywhere! Read more below. Julie A.