Bergen County Detectives Renew Push to Solve Brutal 2010 Twin Cold-Case Murders
the staff of the Ridgewood blog
TEANECK, NJ — Prosecutors and cold-case investigators in Bergen County are renewing their plea for public assistance in solving one of the region’s most baffling double homicides.
Sixteen years after the tragic deaths of Joan Davis in Teaneck and Dolores Alliotts in Palisades Park, detectives believe a single perpetrator was responsible for both brutal attacks—and the killer may still be living among North Jersey residents.
A Pattern of Brutality and Fire
The two murders occurred just four months apart in 2010, following an unnervingly identical pattern. In both instances, the victims were elderly women living alone, both suffered extreme blunt-force trauma and multiple stab wounds, and in both cases, the killer set fire to the homes to destroy forensic evidence.
| Victim & Location | Date of Incident | Attack Details | Key Evidence Left Behind |
|
Dolores Alliotts (69)
Palisades Park, NJ |
April 28, 2010 | Died from blunt-force trauma and 55 stab wounds. | Home was set on fire to destroy evidence. |
|
Joan Davis (74)
Teaneck, NJ |
August 17, 2010 | Bound by hands and feet; suffered blunt-force trauma and multiple stab wounds. | Home set on fire; suspect caught on nearby surveillance footage. |
Who Was Joan Davis?
Joan Davis was a prominent Teaneck resident, former U.S. Agency for International Development employee, and dedicated political activist known for attending nearly every town council meeting to demand local government accountability.
While Davis suffered from mental illness and often voiced fears of being targeted for her political activism, the Bergen County Prosecutor’s Office (BCPO) does not believe her community involvement had any connection to her murder—pointing to the striking similarities with the murder of Dolores Alliotts four months prior.
Suspect Profile & Key Surveillance Video
Detectives believe the perpetrator was a single male, potentially a young adult weighing under 160 pounds with a shoe size of 9–10.
Surveillance footage collected from the night of Joan Davis’s murder remains the investigation’s strongest lead. The video captures a male walking toward Davis’s home on Alpine Drive carrying a satchel-style backpack shortly before the crime, and walking away afterward.
“The video surveillance that we were able to collect remains our most actionable lead,” stated Jeff Angermeyer, Chief of Detectives for the BCPO.
Although the original camera quality was low, digital enhancement by law enforcement revealed distinct details on the suspect’s shirt, which investigators hope someone in the community will recognize.
Unanswered Questions: How Are the Victims Connected?
Despite more than a decade of investigation, core questions remain unresolved:
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How did the killer select these victims? Davis and Alliotts lived in different towns and had no known personal or professional connection.
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Was theft the motive? Very little was taken from either home, leading investigators to speculate that the suspect may have specifically targeted older women living alone.
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Is the killer still in North Jersey? Authorities have not ruled out the possibility that the individual continues to live in or near Bergen County.
How You Can Help
If you have any information regarding the murders of Joan Davis or Dolores Alliotts—no matter how minor it may seem—please contact the Bergen County Prosecutor’s Office Tip Line at (201) 226-5532.
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