Connie Denio, a 65-year-old Albuquerque woman, was killed by her husband Karlan Denio on Thanksgiving Day 2022, when relatives arriving for dinner found her body inside the couple’s home. Karlan, 62, had been diagnosed with frontotemporal dementia two years earlier. He was arrested and charged with first-degree murder but died at the University of New Mexico Hospital before the case ever reached court.
What Family Found on Thanksgiving Day
On November 24, 2022, relatives traveled to the Denio home on Vista Del Sol Drive NW in Albuquerque for a 1:00 p.m. Thanksgiving meal. Karlan’s brother, Darin Denio, arrived first and got no answer at the door. He called their sister, Tami Pacheco, who in turn called 911 for a welfare check.1Local 12. Man With Dementia Accused of Murdering Wife A dispatcher told them officers could not force entry, so family members returned and removed a door from its hinges to get in through the garage.2New York Post. Man With Dementia Accused of Murdering, Dismembering Wife on Thanksgiving
Inside, Pacheco found Karlan lying in bed. Connie was dead on a bedroom floor; police said her body had been dismembered and disemboweled.3ABC17 News. Man With Dementia Accused of Murdering Wife Officers saw blood just inside the garage door but found no signs of forced entry or theft. Pacheco left the house and called police again. Officers arrived around 1:30 p.m. and took Karlan into custody.4KOB 4. APD: Man Charged, Accused of Fatally Stabbing Wife on Thanksgiving
The Arrest and a Case That Never Went to Trial
Karlan Denio was charged with one count of open murder in the first degree through Albuquerque Metropolitan Court.5Law & Crime. New Mexico Man Allegedly Dismembered and Disemboweled His Wife Just Before Guests Were Scheduled to Arrive for Thanksgiving Dinner When officers arrested him, he had cuts on his leg, arm, and neck that police described as self-inflicted knife wounds from what appeared to be a mental health crisis. He was taken to UNM Hospital for treatment.6City of Albuquerque. APD Updates Recent Investigations
No court appearances were ever scheduled. Karlan died at UNM Hospital while still under medical care. The exact date of his death was not publicly released.6City of Albuquerque. APD Updates Recent Investigations His death closed the criminal case before any trial, competency hearing, or other proceeding could take place, leaving the family without a formal legal resolution.
The Dementia Diagnosis
Family members told police that Karlan had been diagnosed with frontotemporal dementia, often called FTD, roughly two years before the killing.1Local 12. Man With Dementia Accused of Murdering Wife FTD is a group of brain disorders that progressively damage the frontal and temporal lobes, affecting personality, behavior, and language. It often strikes people in their 50s and 60s and can produce sharp behavioral changes, including aggression.
The Association for Frontotemporal Degeneration, the group the Denio family named for memorial donations, notes that aggressive behavior in FTD patients can include shouting, hitting, and pushing, sometimes with no apparent trigger. The organization says resistant and violent behaviors “pose a risk of harm to a caregiver” and that FTD remains poorly understood even in healthcare.7The Association for Frontotemporal Degeneration. Managing FTD
Because Karlan died before any courtroom proceedings, questions of criminal competency and mental responsibility were never formally decided in his case.
Who Connie Denio Was
Connie Lynn Denio was born on March 3, 1957, and had lived in Albuquerque for 44 years at the time of her death.8French Funerals. Connie Denio Obituary She and Karlan had two grown children and three grandchildren. She is also survived by three brothers and a sister.
A memorial service was held on December 3, 2022, at the UNM Continuing Education center in Albuquerque. The family asked that donations be directed to the Association for Frontotemporal Degeneration, a choice that reflected the role FTD played in the tragedy.8French Funerals. Connie Denio Obituary Relatives shared tributes on social media. One family member posted a photo of Connie with the message that she would always be remembered as someone “not afraid to climb a tree in a dress.” Another wrote simply: “In memory of 2 beautiful people. RIP.”9The Daily Beast. Family Arrives for Thanksgiving Dinner and Finds Host Connie Denio Dismembered