The Douglas County Sheriff’s Department has concluded that the deaths of 54-year-old Maureen Flanagan and 18-year-old Cooper Flanagan were the result of a murder and suicide.
Their bodies were found in the family home at 1824 N. 155th Avenue on July 16th. Officers were called to check on the well-being of a resident of the home.
The residence was locked. There were no signs of forced entry.
Maureen Flanagan’s body was found in the basement. She died as a result of blunt force trauma to the head. Her skull fractures were consistent with a hammer found in the home.
Cooper Flanagan’s body was found in a vehicle parked in the garage. Autopsy results indicate he died from carbon monoxide poisoning.
Toxicology reports have also revealed the presence of cannabis, ethanol (alcohol), hydromorphone, and amphetamine in Cooper Flanagan’s system at the time of his death.
Autopsy results could not establish a time of death, however Maureen Flanagan was likely deceased for days before her body was discovered.
The investigation could not conclusively determine a motive for the homicide, however, in the months leading up to the homicide, several potential stress-inducing events were identified, including: