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298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP124679) and 10 other sources
On January 1, 2019, 31-year-old John Ansay of North Kingstown, Rhode Island, went missing after the fishing vessel he was a crewmember of, the F/V MISTRESS, sank. The vessel, which was based out of Point Judith, Rhode Island, reportedly went down approximately 3 nautical miles off of Block Island. Ansay was one of two crew members who were lost at sea; the other was his uncle, Oscar Diaz, who was the captain and owner of the vessel. A third crewman, Tim Diaz, was rescued.

The incident occurred in the early morning hours of New Year's Day. At approximately 1:30 a.m., the captain of the MISTRESS issued a mayday call, stating that the 52-foot trawler was taking on water near the Block Island Wind Farm. The vessel was reportedly heading to port with a catch of 7,000 to 8,000 pounds of scup ahead of a gale that had arrived earlier than predicted. The weather conditions at the time were rough, with 10-foot waves and winds of 30 to 35 knots. The nearby fishing vessel, the F/V CAPTAIN BLIGH, responded to the distress call and rescued Tim Diaz from a life raft. The crew of the CAPTAIN BLIGH reported that the MISTRESS had capsized. According to the rescued fisherman, all three crew members had donned survival suits and jumped overboard as the boat started to list, but they became separated in the water.

Following the sinking, the U.S. Coast Guard launched an extensive search and rescue operation for John Ansay and Oscar Diaz. The search involved multiple assets, including the 110-foot Coast Guard Cutters Sanibel, Steelhead, and Escanaba, an MH-60 Jayhawk helicopter, an HC-144 Ocean Sentry aircraft, and response boats from Station Point Judith and Station Menemsha. Local agencies and good Samaritans also participated in the search efforts. Over a period of nearly 72 hours, the search covered more than 2,152 square nautical miles. Despite the comprehensive search, neither John Ansay nor Oscar Diaz were found. The Coast Guard suspended the search on the evening of January 2, 2019, after search efforts extended beyond the survivability models for the winter sea conditions. The case remains open, and the Coast Guard Investigative Service in Boston is the lead investigating agency.

Last Seen: Jan 1, 2019

Possible Unidentified Matches (4)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

78%Possible
John Doe — Staten Island, New York - unidentified case UP57351
John Doe — Staten Island, New York
UP57351 • Found May 3, 2019
View case
Sex ✓Male
Age 100%Est. 25–40 vs 31
Race 100%White
Location 64%156 mi away
TimingFound 4 months after last seen
Height 100%5'0"–5'4" vs 5'5"–6'0"
Weight 100%110–130 lb vs 140–180 lb
77%Possible
John Doe — Norwalk, Connecticut
UP101112 • Found Oct 8, 2022
View case
Sex ✓Male
Age 100%Est. 30–40 vs 31 when missing
Race 100%White
Location 74%107 mi away
TimingFound 4 years after last seen
Height 100%5'4" vs 5'5"–6'0"
Weight 78%106 lb vs 140–180 lb
75%Possible
John Doe — Queens, New York - unidentified case UP81157
John Doe — Queens, New York
UP81157 • Found May 26, 2021
View case
Sex ✓Male
Age 85%Est. 35–55 vs 31 when missing
Race 100%White
Location 68%135 mi away
TimingFound 2 years after last seen
Height 100%5'8" vs 5'5"–6'0"
Weight 100%168 lb vs 140–180 lb
75%Possible
John Doe — Randolph, Massachusetts
UP161920 • Found Jul 12, 2026
View case
Sex ✓Male
Age 100%Est. 35–50 vs 31 when missing
Race 60%Hispanic
Location 90%47 mi away
TimingFound 8 years after last seen
Height 100%5'4" vs 5'5"–6'0"
Weight 100%160 lb vs 140–180 lb

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.