Ronald DeFeo Jr: Profile of a Notorious Case

Key Facts at a Glance

Ronald DeFeo Jr. is known for the 1974 killings of his parents and four siblings at 112 Ocean Avenue in Amityville, New York. His case fueled the Amityville horror narrative and subsequent property history. The following table summarizes core verified details.

Attribute	Verified Detail	Source Type
Full name	Ronald Joseph DeFeo Jr.	Court records
Date of birth	February 26, 1951	Vital records
Date of crime	November 13, 1974	Police reports
Location	112 Ocean Avenue, Amityville, New York	Property records
Victims	Parents and four siblings (6 total)	Court testimony
Conviction	Six counts of second-degree murder	Trial verdict
Sentence	Six consecutive terms of 25 years to life	Sentencing record
Current status	Serving sentence; multiple appeals and parole denials	Department of Corrections

The Crime and Discovery

On November 13, 1974, Ronald DeFeo Jr. reported multiple shootings at 112 Ocean Avenue. Responding officers found his parents and four siblings dead. DeFeo initially claimed a gunman in a stocking cap opened fire, but he soon confessed to killing all six victims himself during a two-hour period in the early morning. His stated motive centered on conflicts with his father and a desire to keep a portion of his inheritance. This so-called "Confession Murder" drew national attention due to the seemingly ordinary suburban context and the brutality of the act.

Trial, Verdict, and Sentencing

DeFeo’s trial emphasized his mental state and claims of coercion. His defense argued diminished capacity, while the prosecution highlighted the calculated nature of the killings. In December 1975, he was convicted of six counts of second-degree murder. The court imposed six concurrent terms of 25 years to life. Since then he has remained incarcerated through multiple parole hearings, with boards consistently citing the severity of the offense and lack of demonstrable remorse as reasons for denial.

1976: Initial appeal filed
1980s: Multiple appellate rulings affirmed conviction
2020s: Continued incarceration with scheduled but denied release reviews

The House at 112 Ocean Avenue

The property became central to the case’s legacy. After the murders, the house changed ownership several times. New occupants reported unsettling experiences, which were popularized as paranormal activity. These stories circulated widely and inspired books and films linking the location to hauntings. Mediums and investigators visited the address, amplifying its notoriety. Whether framed as a true crime landmark or a paranormal site, the residence remains a point of fascination and debate.

Property History Snapshot

The home’s transition from crime scene to purported haunted site illustrates how true crime locations can acquire additional cultural meanings over time. While original architecture and structural details have been modified, the lot retains its identity in public memory as a symbol of the murders.

Legal and Familial Context

Ronald DeFeo Jr.’s family background played a role in public understanding of the case. His parents, Frank and Louise DeFeo, were working-class residents. Siblings included Dawn, Allison, Marc, John, and Theresa. Neighbors and acquaintances described Ronald as volatile and occasionally aggressive toward family members. These dynamics informed later psychiatric assessments, though they did not negate legal responsibility. The case also highlighted gaps in intervention by relatives, social services, and local authorities that might have identified risk before the violence escalated.

Cultural Impact and Legacy

The murders quickly became a staple of true crime media and influenced folklore. Books detailing the events and alleged supernatural phenomena followed. Films adapted elements of the story, blending crime drama with horror and paranormal themes. The phrase “Amityville haunting” entered popular lexicon, often detached from the underlying criminal facts. Documentaries and podcasts continue to revisit the case, examining both the evidence and the mythology. This long-term cultural footprint underscores how true crime narratives evolve beyond their factual origins.

Addressing Common Misconceptions

Some discussions blur the line between the proven case and later speculative additions. It is critical to distinguish the 1974 conviction and related legal outcomes from uncorroborated claims about ghosts or external influences. Law enforcement and courts focused on Ronald DeFeo Jr. as the sole perpetrator of the shootings. While alternate theories occasionally surface, they lack evidentiary support in the official record. Maintaining this separation helps ensure an accurate public understanding of what occurred and why certain details remain settled facts rather than open questions.

Frequently Asked Questions

What is Ronald DeFeo Jr. known for? He is known for murdering his parents and four siblings at 112 Ocean Avenue in Amityville, New York, in 1974.
Where is the house located? The house is at 112 Ocean Avenue, Amityville, New York.
What was the motive according to court findings? DeFeo cited conflicts with his father and a desire to retain inheritance money as motives.
Is he still incarcerated? Yes, he remains in prison after exhausting most appellate options and being denied parole multiple times.
Are the paranormal claims part of the legal case? No. Those stories emerged after the trial and are not part of the criminal proceedings.
Has the house been demolished or repurposed? The structure remains, though ownership and use have changed; it is often discussed in haunted location lore.
What sources confirm these details? Court records, police reports, trial transcripts, and Department of Corrections information.