Overview

Date last seen: October 30, 1980
Location last seen: Warwick, Rhode Island
Main Points
Albert C. Vigneau, 30, disappeared on October 30, 1980.
He vanished alongside Gregory O. Georgantis in what investigators believe was a connected incident.
Authorities consider Vigneau a probable homicide victim, despite his body never being recovered.
The disappearance has long been suspected to be connected to organized crime.
More than four decades later, the case remains unsolved and active in missing persons databases.

Detailed Case Breakdown

The Disappearance of Gregory O. Georgantis: Suspected Organized Crime Homicide Remains Unsolved
Gregory O. Georgantis was 33 years old when he disappeared from Warwick, Rhode Island, on October 30, 1980. More than four decades later, his whereabouts remain unknown, and investigators consider him a probable homicide victim.
The case is closely connected to the disappearance of another Rhode Island man, Albert C. Vigneau. Both men vanished from Warwick on the same date, and official records identify Vigneau’s disappearance as a companion case to Georgantis’s. Investigators believe foul play was involved and that the disappearances may have been connected to organized crime.
Who Was Gregory O. Georgantis?
At the time of his disappearance, Georgantis was described as a white man standing approximately 5 feet 9 inches tall and weighing about 185 pounds. He had brown hair and brown eyes. Publicly available records do not provide detailed information about what he was wearing, his precise movements that day, or the specific Warwick location where he was last observed.
No publicly available photograph has been consistently attached to his official case listing. The limited physical and circumstantial information presents an added challenge for investigators attempting to resolve a disappearance dating to 1980.
Gregory Georgantis and Albert Vigneau Disappear Together
Albert C. Vigneau, 30, also disappeared from Warwick on October 30, 1980. NamUs records designate the two investigations as companion cases, indicating that authorities believe their disappearances are directly connected.
The publicly released case summaries do not explain where the men were headed, whether they were traveling in the same vehicle or who last confirmed seeing them. They also do not identify any suspects or disclose the evidence that led investigators to associate the disappearances with organized crime.
Authorities nevertheless classify the circumstances as probable homicide rather than an unexplained voluntary disappearance. The available official language indicates that investigators believe both men encountered foul play, although neither man’s remains have been recovered and no homicide prosecution has been publicly announced.
Why Investigators Suspect Organized Crime
The NamUs description for Vigneau identifies him as a probable homicide victim, states that the case is organized-crime related and names Georgantis as the companion case. Georgantis’s records carry the same Warwick Police Department reference number, 14-1104-0F, reinforcing that the disappearances are being tracked as a connected investigation.
However, authorities have not publicly released the underlying evidence supporting the organized-crime theory. There is no confirmed public account identifying a particular criminal organization, motive, meeting, dispute or individual responsible for the men’s presumed deaths.
Because those details remain confidential or unavailable, claims beyond the official classification should be treated cautiously. What is publicly established is that the two men disappeared on the same day from the same Rhode Island city and that law enforcement considers them probable homicide victims in connected, organized-crime-related cases.
The Investigation and Delayed Case Reporting
Although Georgantis disappeared in 1980, his current agency record lists an official report date of April 13, 2016. NamUs states that the online case entry was created on April 12, 2021. The delay between the disappearance and those administrative dates does not necessarily mean police were unaware of the case until 2016; it may reflect when the current report or database record was created. No public source reviewed explains the discrepancy.
The Doe Network added Georgantis to its missing-person listings in December 2021 under reference 5534DMRI. Vigneau was added at the same time under 5535DMRI.
Latest Publicly Available Investigation Information
As of July 21, 2026, Gregory Georgantis remains listed as missing. The Warwick Police Department is identified as the primary investigating agency, and the agency case number remains 14-1104-0F. His NamUs identification number is MP33332.
A public case database showed Georgantis’s entry as updated on June 29, 2026 and continued to describe the matter as an active missing-person investigation involving suspected homicide and organized crime. An updated database date does not, by itself, establish that investigators uncovered new evidence or developed a new suspect. No verified public announcement of an arrest, identification of remains, search operation or major evidentiary breakthrough was located.
Vigneau’s companion NamUs case remains listed under MP33321 and carries the same Warwick Police Department case number. The continued presence of both records indicates that the disappearances have not been publicly resolved.
What Remains Unknown
Many central questions remain unanswered:
Where were Georgantis and Vigneau last seen within Warwick? Who saw them last? Were they traveling together? Was a vehicle recovered? What evidence led investigators to suspect organized crime? Were any persons of interest questioned? Were searches conducted for their remains?
Authorities have not publicly answered those questions. The scarcity of released information may be connected to the age and sensitivity of the investigation, the suspected organized-crime element or the need to protect evidence that only investigators and those responsible would know.
How to Submit Information
Anyone with information about Gregory O. Georgantis, Albert C. Vigneau or their activities around October 30, 1980, can contact the Warwick Police Department’s Detective Division at (401) 468-4233. The department’s non-emergency number is (401) 468-4200.
Anonymous information may be provided to Warwick Crime Stoppers at (401) 732-8477, also written as 732-TIPS. Callers should mention Gregory Georgantis, NamUs MP33332, and Warwick Police case 14-1104-0F.