Riddles

A near-identical series of murders — homeless victims, stone dropped onto sleeping skull — occurred in Calcutta in 1989 …

Arthur Hutchins Jr. traveled from Iowa to California by impersonating the missing Walter Collins. He did this not for fi…

Nuclear forensics analysts use a principle called corroboration: a single anomalous detection may be a sensor error, but…

After the final Monster of Florence attack in September 1985, the killer sent a biological trophy removed from the last …

Days before his death, it was revealed that Robert Maxwell had systematically looted the pension funds of his own employ…

In the hours after the murder, Lord Lucan wrote letters to his friend Bill Shand Kydd in which he described an alternati…

The men purchased food at a gas station in Chico at some point between leaving the basketball game in Sacramento and the…

Calvi's most important institutional partner was the IOR — the Vatican Bank — whose head, Archbishop Paul Marcinkus, had…

J. Edgar Hoover's 1968 COINTELPRO memo described the FBI's primary goal as preventing the rise of a 'Black Messiah' who …

The bisection of Elizabeth Short's body was described by the 1947 medical examiner as performed with surgical or near-su…

In 2008, journalists discovered a specific aircraft used in the December 14, 1977 death flight that killed Mothers of th…

A government survey of a remote, uninhabited Pacific atoll in 1985 finds no trace of a missing boat or any human burial.…

The Ethiopian Prime Minister received a major international honour barely two months before the Dembi Dolo kidnapping oc…

A government investigation in 2005 concludes that a man was shot with a silenced pistol and his body dumped in the woods…

The OCCRP's Troika Laundromat investigation was based on leaked banking data from two Lithuanian banks. Snoras was one. …

The crime scene investigation of Myrna Mack Chang's murder failed to collect fingerprints, obtain blood samples, or take…

A Newsweek journalist who co-investigated Operation Speedy Express was killed in Vietnam less than a month after his gut…

Only one person ever identified the dead bandits as Butch Cassidy and the Sundance Kid. He was a mining executive who ha…

During the Freetown invasion, the rebel forces organized specialized units assigned to carry out specific categories of …

In 2011, the remains of two men who had been missing since January 2007 were recovered from a waste dump in the mountain…

In February 2017, eight months before her assassination, Caruana Galizia published a cryptic blog post about a Dubai-reg…

When Tari was finally recaptured in 2007, the operation was triggered by a villager who performed a specific improvised …

A foreign law enforcement specialist was brought to Iceland to lead the investigation. He came from the West German BKA …

A contract killing is carried out by two individuals on a motorbike in dense urban traffic at approximately 9 PM. Three …

Within a three-year span, three members of the Arsala family were killed in targeted attacks in three different location…

In 1997, a government task force investigated conditions at children's homes in Trinidad and Tobago and uncovered a paed…

The hitman who planted the Aranykez Street bomb had an extraordinary criminal history that predated the fall of communis…

Foreign Minister Kabudi used a specific formulation when discussing Gwanda on the BBC — he said Gwanda had 'disappeared …

Hsu Jung-chou was acquitted in 2013 despite his DNA matching the crime scene. The court cited a critical discrepancy bet…

Cuba's HM01 numbers station -- the successor to Atencion -- uses a hybrid broadcast mode combining voice and a digital t…

On the day Emilie Meng's body was publicly found and identified, Philip Westh engaged in a specific social behavior that…

An investigator is trying to identify the private ambulance used in a 1956 kidnapping on the streets of Manhattan. The a…

The wrongful conviction of Yoon Sung-yeo relied on a forensic report claiming a 40 percent match between pubic hair foun…

In a country experiencing intense political violence between two major parties, attackers target a government-run home f…

The day after Juliana disappeared, Patricio Carrillo (Jonathan's father) contacted the Campoverde family. He gave them t…

A Finnish melodic death metal band, formed in 1993 in Espoo, Finland, became one of the country's most internationally s…

Declassified Czech archives revealed that Ben Barka cooperated with an Eastern Bloc intelligence service from 1961 until…

A toxicologist is presented with a hypothetical scenario: two men are found dead in an apartment. Autopsy results show c…

In 2008, a French investigating judge issued indictments against nine Senegalese officials for the Le Joola disaster, in…

The Oran massacre involved seven military katibas entering the city simultaneously, organized transport of prisoners to …

One cabinet member who survived the massacre because he was absent that morning was himself assassinated by grenade four…

Trafigura commissioned a scientific report on the toxicity of the dumped waste, which it then attempted to suppress thro…

South Yorkshire Police conducted a forensic excavation in 2016 — 25 years after Ben's disappearance — and found no human…

Rex Heuermann was identified as a suspect through a two-stage DNA process that did not require a database match to his o…

Inge Lotz sustained more than thirty stab wounds concentrated on her body, delivered with considerable force. What does …

El Salvador's legislature passed a General Amnesty Law in 1993 — but the timing was extraordinarily specific: the law wa…

Post-conviction forensic analysis by Dr. Werner Spitz determined that the wounds on victim Christopher Byers — which the…

In the months before his death, Boris Berezovsky lost a landmark legal case in the English High Court that left him fina…

Stanford White's assault on the sixteen-year-old Evelyn Nesbit in 1901 was described in specific, credible detail under …

Edgar Allan Poe died on October 7, 1849. The day he was found delirious in Baltimore — October 3, 1849 — was a significa…

The prosecution's medical case included claims that several patients had been killed by toxic administration of digoxin,…

Russian investigators first announced that a man named Alkhazur Bashayev — who was conveniently dead, killed in a securi…

The Phantom's first four attacks followed a consistent pattern: couples, parked cars, lovers' lanes, weekends. The fifth…

The medical examiner noted that Joseph Zarelli showed evidence of chronic malnutrition and injuries at multiple stages o…

Eliot Ness privately identified his primary suspect but chose never to arrest him or formally record the interrogation. …

Between 1988 and 1990, five individuals with alleged knowledge of the Ives-Henry case died violently. Name at least two …

Robert Craig Cox, while in a Texas jail in 1992, claimed with apparent certainty that the Springfield Three were dead an…

The official cause of death was drug and alcohol intoxication, but there was a specific item Kilgallen always needed in …

The physical design of the water tank's access hatch is central to evaluating whether Elisa's death could have been enti…

The most significant wrongful prosecution in the Axeman case involved two men convicted of the attack on the Cortimiglia…

A witness reported seeing the Beaumont children with the blond man at a public civic event near the Adelaide Oval on the…

The attic theory holds that the Villisca killer concealed himself in the Moore house attic before the family returned ho…

The FBI subjected the 2013 Anglin letter to DNA analysis but could not confirm or eliminate the claimed authorship. What…

In 1967, the Sodder family received an anonymous photograph of a young man resembling their missing son Louis, with a cr…

The Hinterkaifeck investigation suffered a catastrophic evidence loss that would permanently prevent any future prosecut…

Three days before Jill Dando's murder, NATO aircraft bombed a specific building in Belgrade, killing sixteen workers in …

The Hammersmith killer's disposal pattern is described as 'partial undressing' — victims were stripped of some but not a…

The Northern Lighthouse Board had a strict regulation requiring that at least one keeper remain at the lighthouse at all…

Enrico De Pedis, a senior figure in the Banda della Magliana and a convicted murderer, was buried in the Basilica of San…

When the Gardaí ran the name 'Peter Bergmann' with the Austrian address provided at check-in, they discovered something …

The Duke of Buckingham helped Richard III seize power, was lavishly rewarded, and then abruptly switched sides and led a…

The Brabant Killers were consistently described by multiple witnesses at different crime scenes as including a man of ex…

The Social Democratic newspaper Münchener Post published articles challenging the suicide verdict after Geli Raubal's de…

The Cook County Medical Examiner ruled the Grimes sisters' deaths as caused by 'exposure' — essentially freezing. Other …

The Rubaiyat edition found in connection with the Somerton Man case was identified as a Whitcombe and Tombs first Austra…

Michael Rockefeller's art collection from his final expedition arrived safely in New York and can be seen today in a maj…

William Desmond Taylor was not who he claimed to be. Before arriving in Hollywood, he had lived under a different name a…

Following his conviction in 2009, Afonso Dias has consistently refused to disclose the location of Rui Pedro's remains. …

Vladimir Kostov, a Bulgarian dissident in Paris, was attacked with an identical pellet device three weeks before Markov'…

MI6 initially provided false information to the police investigation about a specific piece of Williams's equipment. Wha…

A Chilean congressional body was created specifically to investigate the failures in the Matute Johns case. Its 2006 rep…

In February 2024, workers at the La Plata municipal cemetery discovered 501 coffins and more than 2,000 bags of unidenti…

The standard account of L'Inconnue de la Seine places her drowning in the late 1880s. But an alternative origin story, p…

An unidentified murder victim from 1989 has the following profile: South Asian male, 35-60 years old, approximately 162-…

Despite intact fingerprints being recovered from the victim, no match was found in 1981 Indonesian police records. What …

Andre made a critical statement on the 911 call that the prosecution argued was an inadvertent description of pursuit an…

In June 2023, a Swiss newspaper published an investigation into the Isdal Woman case proposing a connection to a specifi…

The assassination of Zelimkhan Khangoshvili in Berlin's Kleiner Tiergarten park was directly linked to the FSB directora…

On the same calendar day that Estonian police announced the discovery of Aivar Rehe's body — September 25, 2019 — law en…

The Lala Commission (2012–2019) concluded there were 'no eyewitnesses' to a massacre that occurred on a busy urban bridg…

An investigator is trying to determine whether a foreign intelligence service knew a journalist was arriving in a partic…

The search team did not begin looking for the bodies until August 24 — fifteen days after Utochenko was found by kayaker…

The forensic technique now being trialled in the Mellory Manning case works by uploading a crime-scene DNA profile to a …

The South African Air Force flight sergeant who testified at the TRC described a mobile VOR beacon that left his Pretori…

The Zodiac's Z340 cipher — 340 symbols arranged in a 17-by-20 grid — defeated professional and amateur cryptographers fo…

The body disposal site — the edge of an ice shelf on Lake Storsjön where the drag marks led to open water — was chosen b…

Pascal Najadi noted that a prominent Malaysian lawyer with close ties to Prime Minister Najib was reportedly present at …

In the days before his disappearance, Andrew made a small but notable change to his daily routine that his parents initi…

Both Aarushi and Hemraj were killed by the same method: blunt force trauma to the head followed by a precise deep throat…

David Shintani's Japanese-Canadian heritage connects his case to a major WWII-era Canadian government policy that forcib…

Deputy Interior Minister Radovan Stojičić (Badža) was publicly assassinated by gunshot in a Belgrade restaurant in 1997.…

Dr. Wijewardena's research showed a pesticide compound persisting in Sri Lankan soil at four times the rate reported in …

Investigative journalist Evelyn Groenink argued that the arms network September was investigating in the 1980s was later…

The killer strangled Yoshiko with a thin cord or wire, then removed the ligature from the scene before transporting the …

For 28 years after his father's murder, Walid Jumblatt did not publicly name Syria as responsible. What event in 2005 ch…

Former Italian Prime Ministers Cossiga and Amato both stated that France accidentally destroyed the DC-9 while targeting…

There was an approximately two-month gap between Katarzyna's disappearance in November 1998 and the recovery of skin fro…

The trafficking network that took Marita moved victims across multiple Argentine provinces. What specific structural fea…

Lake Nyos sits on a major volcanic chain that extends through Cameroon. What is the name of this geological feature — th…

The Sicilian Mafia's method of making a victim disappear entirely — destroying the body so it can never be found or fore…

The Joyita was found approximately 600 miles southwest of her intended destination. Where was she heading when she depar…

Investigators believe Murdoch disposed of Falconio's body in the outback. What specific type of feature in the landscape…

Franco Freda was shown to have purchased timers consistent with the bomb's detonation mechanism, and Giovanni Ventura ha…

After Jean Dominique's murder, his wife Michèle Montas took over Radio Haiti-Inter and continued broadcasting. What spec…

Critical forensic evidence was deliberately destroyed early in the investigation. What physical evidence at the crime sc…

Julie Rea Harper was wrongfully convicted in 2002 of murdering her thirteen-year-old son Joel Kirkpatrick in 1987. Sells…

A landmark 2006 court case in a Chinese city created a nationwide chilling effect on Good Samaritan behaviour by ruling …

The murder weapon was a Haenel Suhl Model 1 Schmeisser pocket pistol manufactured between the 1920s and 1945, but the am…

The cover-up of Julie Ward's murder was confirmed when a Kenyan official admitted under oath that the original post-mort…

Bobby Fuller wanted to leave his contract with Mustang Records and was reportedly trying to back out of a distribution d…

A woman known publicly as Witness X1 confessed to being involved in Katrien's murder, claiming she was ordered to kill t…

A fisherman claimed to find a message in a bottle describing the Deering being captured by an 'oil burning boat' and the…

Of the seven witnesses who died after Daniel's murder, two held a particularly critical role: the coroner who documented…

Independent accident analyst A.O. Pipkin found physical evidence on Silkwood's car that contradicted the Highway Patrol'…

Unknown fingerprints were found on Chad's radio, handcuffs, armband, and ID card. The Army chose not to analyze them. If…

The most persistent theory about Giwa's murder motive involves a woman arrested at an airport for drug smuggling, whose …

A specific failed criminal enterprise is believed to have directly led to Bravo's execution. What went wrong, and approx…

Father Kunz was away from the church on the evening of March 3, recording a radio program in Monroe. The killer appears …

Garcia-Esperat's decision to pursue public anti-corruption work despite the mortal risks was shaped by a specific person…

The killer took all of Melissa's clothing, shoes, and jewelry from her body — including a distinctive wristwatch. This b…

The former British intelligence officer who filed a report with the FBI asserting that Lesin was murdered is the same pe…

After Levar's murder, the ICTY's Gospic-related cases were weakened and some defendants received reduced sentences. What…

The internet searches on Gricar's home computer reveal that the person researching hard drive destruction was not a tech…

If the autopsy report was deliberately removed from the police file, what does this act of evidence suppression most str…

Beheshti's written complaint from detention contains a specific sentence that suggests he understood his life was in dan…

The Shimoyama incident was the first of three railway-related violent incidents in the summer of 1949. All three were in…

Two months before Sombath's disappearance, Vientiane hosted a major international summit alongside which civil society g…

The CIA first told CU Boulder's president that Riha was 'alive and well,' which effectively suspended the search. They t…

One person was convicted in connection with the Tylenol case, but not for murder. James William Lewis was convicted of w…

JITEM informant Abdulkadir Aygan named a specific Turkish military officer as being involved in Mumcu's assassination. T…

The UpStairs Lounge had three potential exits, but the death toll reached 32. One exit was the burning stairwell. The fi…

For 51 years, one of the most analysed unsolved ciphers in American criminal history resisted decryption. The 340-charac…