The Murder of Birna Brjánsdóttir

Judicial boundary: Thomas Møller Olsen was convicted of Birna’s murder and a separate drug offence. This page attributes criminal responsibility to him because the conviction was upheld, while keeping early suspicion of a second sailor separate from the final judgment.

The last verified movements

Birna Brjánsdóttir, 20, spent the night of 13–14 January 2017 in central Reykjavík. Surveillance cameras recorded her walking along Laugavegur shortly after 5 a.m. The footage became the last publicly documented sighting before she disappeared.

Investigators traced a red Kia Rio seen near the area where Birna was last recorded. The vehicle had been rented by crew members of the Greenlandic trawler Polar Nanoq. Her mobile telephone’s final signals, the car’s movements and later evidence from the harbour area helped police narrow the inquiry.

Reporting from the first week must be read as an evolving investigation. Police initially detained two sailors. Detention or suspicion did not establish equal responsibility, and the later prosecution and conviction focused on Thomas Møller Olsen.

A national search

Birna’s disappearance triggered what contemporary reporting described as the largest search-and-rescue operation in Icelandic history. More than 725 volunteers joined police and rescue teams. The scale reflected both the urgency of finding a missing young woman and the rarity of such a case in Iceland.

Her shoes were found near Hafnarfjörður harbour, where the Polar Nanoq had been moored. After the vessel sailed, Icelandic special police travelled by helicopter to the trawler. The ship returned, and the two crew members then under suspicion were taken into custody.

On 22 January, eight days after Birna vanished, her body was found on the coast near Selvogsviti in southwest Iceland. Police had already moved from a missing-person inquiry toward a homicide investigation, but contemporary statements cautioned that the cause of death could not immediately be determined.

The evidence presented

Authorities found traces of Birna’s blood in the rented Kia Rio. Later reporting on the appellate record described both Birna’s and Thomas Møller Olsen’s blood in the car. Birna’s identity card was found in a rubbish container aboard the trawler, and video evidence was used to test Olsen’s account of his movements.

The case did not depend on a public confession. Olsen maintained his innocence and sought to place responsibility elsewhere. Prosecutors argued that the physical and surveillance evidence contradicted his version. The court accepted the prosecution case.

This distinction is important for a victim-aware record: the evidence supports the conviction that was entered, but it does not justify extending guilt to another detained person or treating every early investigative theory as proven.

District-court conviction

On 29 September 2017, the district court convicted Thomas Møller Olsen of murdering Birna Brjánsdóttir. He was also convicted in a separate case involving approximately 20 kilograms of cannabis found aboard the Polar Nanoq.

The court imposed a total sentence of 19 years. Coverage of the judgment also recorded compensation awards to Birna’s parents and substantial legal costs. Olsen continued to deny responsibility.

The drug conviction forms part of the aggregate sentence, but it should not obscure the central subject of this file: the taking of Birna’s life and the judicial finding that Olsen was responsible for her murder.

The 2018 appellate judgment

Olsen appealed. On 23 November 2018, Iceland’s Court of Appeal rejected the challenge and upheld both the guilty verdict and the 19-year sentence. The appellate court examined his alternative account and video evidence that undermined it.

The appellate decision gives the case a materially different status from an unresolved disappearance or an accusation awaiting trial. A final appellate affirmation does not make every unanswered factual detail disappear, but it establishes the defendant’s legal responsibility for the murder.

Public grief without collective blame

Birna’s death prompted vigils in Iceland and Greenland. Contemporary accounts documented both grief and concern that a Greenlandic defendant’s nationality could produce hostility toward Greenlanders more broadly.

Criminal responsibility is individual. The court’s judgment concerns Olsen’s conduct; it does not support collective suspicion toward a nationality, a ship’s crew or a migrant community. The archive therefore avoids using nationality as a substitute for evidence.

Why the case is classified as adjudicated

The page classifies the case as solved or adjudicated because a named defendant was convicted of murder and the conviction was upheld on appeal. It does not label the initially detained second sailor a perpetrator, and it does not present unadjudicated theories as part of the verdict.

The record also preserves the chronology: Birna was first a missing person, then a homicide victim, and finally the subject of a completed prosecution. Keeping those stages distinct avoids writing the later outcome backward into the first days of the search.

Verified timeline

• Early hours of 14 January 2017: surveillance footage records Birna walking in central Reykjavík before she disappears.
• 18–19 January 2017: police intercept the Polar Nanoq; two crew members are detained during the developing investigation.
• 22 January 2017: Birna’s body is found near Selvogsviti after an eight-day national search.
• 29 September 2017: Thomas Møller Olsen is convicted of murder and drug smuggling and receives a total 19-year sentence.
• 23 November 2018: Iceland’s Court of Appeal upholds the conviction and sentence.
• Current classification: adjudicated; the appellate judgment remains the controlling outcome located for this review.

Frequently asked questions

Sources and source-quality review

• RÚV — appeal rejected23 November 2018 · Icelandic public broadcaster’s report on the appellate outcome and the 19-year sentence.
• The Reykjavík Grapevine — appellate judgment23 November 2018 · evidence summarized, conviction upheld and sentence maintained.
• The Reykjavík Grapevine — district-court conviction29 September 2017 · murder conviction and initial 19-year sentence.
• The Guardian / AFP — search and discovery23 January 2017 · last sighting, national search, harbour evidence and recovery of Birna’s body.
• The Guardian — Iceland and Greenland vigils5 February 2017 · public grief and concern about collective blame.

Editorial review: the discovery and early investigation were checked against contemporaneous international reporting; the conviction and appeal were verified separately through Icelandic coverage. Early detention is not treated as guilt, and the page attributes the final conviction only to Thomas Møller Olsen.