Details Unclear In Colorado Hat Trick

"BOULDER, CO ― Police investigating how three people died inside a home in Boulder [said] the deaths were the result of a double murder and suicide, but it's unclear how it happened.

"The home is located at 24th and Bluff, about four blocks from Pearl Street.

"Officers say they have evidence that the double murder and suicide was planned out. A number of guns were found inside the home.

"A woman, who has been identified as the housekeeper, flagged down an officer several blocks away from the home and alerted police to the discovery.

"`The deceased individuals, all of whom appear to be adults, were discovered after a passerby flagged down an officer to tell him she had come to the house to clean it and found someone dead or injured inside,` Boulder police spokeswoman Sarah Huntley said in a prepared statement.

"Police have not released any details about the gender or ages of the dead people. They have been going door-to-door in the neighborhood trying to find out more information."

From CBS4 Denver...