Here's what we know about three people dying from what officials believe to be carbon monoxide poisoning on a boat at Saguaro ...

Three people are dead after possible carbon monoxide poisoning in a houseboat on Saguaro Lake in Mesa on Saturday.

Three people were found dead on a boat and are believed to have died from carbon monoxide poisoning at Saguaro Lake Saturday afternoon.

A man and two women were found dead on a houseboat on Saguaro Lake. Detectives are investigating the case. The believed cause ...