45case filesUpdated Jul 14, 2026
Casepin holds 45 case files from the 1910s. By legal status, 23 marked unsolved, 3 marked cold, 18 marked solved and 1 marked overturned.
Credit: Argonne National Laboratory / Wikimedia Commons, c.1922–23Public domainSourceSOLVEDListenOrange, New Jersey · 1917
Beginning in 1917, factory workers who came to be known as the Radium Girls were poisoned after being instructed to shape radium-paint brushes with their lips; the resulting illnesses, deaths, and lawsuits against the United States Radium Corporation and the Radium Dial Company reshaped U.S. occupational health and labor law.
Credit: Not creditedPublic domainSourceUNSOLVEDListenNew Orleans, Louisiana, United States · 1910s
An unidentified attacker killed and injured multiple people—mostly Italian immigrants and Italian-Americans—in and around New Orleans between May 1918 and October 1919, typically breaking in through a chiseled back-door panel and attacking victims with an axe or razor. The case remains unsolved.
Credit: This file is from the Mechanical Curator collection, a set of over 1 million images…Public domainSourceUNSOLVEDListen108 East 79th Street, Manhattan, New York City · 1910
Dorothy Arnold, a 25-year-old New York socialite and aspiring writer, vanished after leaving her Manhattan home to shop on December 12, 1910. Despite an extensive private and police investigation, numerous rumors, and alleged sightings, her fate was never determined.
Credit: Contemporary newspaper via Wikipedia (Green Bicycle Case)Public domainSourceSOLVEDListenGartree Road, near Little Stretton, Leicestershire, England · 1919
Bella Wright, a 21-year-old factory worker, was shot dead near Little Stretton, Leicestershire, on 5 July 1919 while cycling home. Ronald Light, seen riding with her shortly before her death on a distinctive green bicycle, was tried for her murder in 1920 and acquitted.
Credit: ABC Gippsland / East Gippsland Historical Society (via The Line-Up; also captioned in…Public domainSourceUNSOLVEDListenWonnangatta Valley, East Gippsland, Victoria, Australia · 1916
In late 1917 and 1918, station manager Jim Barclay and cook John Bamford were murdered in the remote Wonnangatta Valley, Victoria, Australia. Both men were shot and their bodies found separately months apart; the case remains unsolved.
OVERTURNEDListenTresjuncos, Cuenca, Spain · 1910
In 1910, a shepherd named José María Grimaldos disappeared from the Spanish village of Tresjuncos; two men were tortured into confessing to his murder and served over 12 years in prison before Grimaldos reappeared alive in 1926, leading Spain's Supreme Court to void their convictions.
Credit: Avi1111 dr. avishai teicherCC BY-SA 4.0SourceUNSOLVEDListenDegania Alef / Menahemia area, Ottoman Palestine · 1913
Moshe Barsky, an 18-year-old member of the Degania Alef kibbutz, was shot and killed by Bedouin raiders in 1913 while traveling to obtain medicine for a fellow kibbutznik. His death became a significant symbol in pre-Israeli Zionist history.
Image recordPublic domainSourceSOLVEDListenNear Hotel Metropole, 147 West 43rd Street, Manhattan, New York City · 1912
Herman Rosenthal, a Manhattan bookmaker who had accused NYPD officers of extorting protection money from his illegal gambling operations, was shot dead outside the Hotel Metropole in July 1912. NYPD Lieutenant Charles Becker and four gunmen were later convicted of ordering and carrying out the murder and were executed at Sing Sing Prison.
Image recordPublic domainSourceSOLVEDListen435 Riverside Drive, Manhattan, New York City, NY · 1916
Hannah and John E. Peck, an elderly married couple from Grand Rapids, Michigan, were fatally poisoned with arsenic in 1916 by their son-in-law, Arthur Warren Waite. Waite was convicted and executed at Sing Sing in 1917.
1919 is the year with the most files in the decade, 7 of them. 43 files carry an exact date; the rest are dated to the decade by the record.
They are spread across 11 countries; the most are in United States (34) and Australia (2). By type, the largest groups are murder and homicide cases (28), hate crime cases (7) and arson cases (4).
6 files of the 45 have coverage attached: 9 videos, podcasts and documentaries from 5 creators. The most covered is Radium Girls, with 3 items to watch or hear. Brooke Makenna, Bailey Sarian and Georgia Marie have covered the most of them.
Every file is written from cited sources and pinned where it happened, and every person named carries the legal status the record gives them. If you hold information about an unsolved case, contact the investigating agency named in its file rather than posting it publicly. Families and anyone involved can request a correction from any file.
Radium dial painters (incl. Grace Fryer, Katherine Schaub, Quinta McDonald, Albina Larice, Edna Hussman) — Credit: Argonne National Laboratory / Wikimedia Commons, c.1922–23Public domainSource
Axeman Map New Orleans March 1919 — Credit: Not creditedPublic domainSource
Josiah B. and Sara Moore House - NRHP97001471 - Villisca - Montgomery County - Iowa -10-23-2016 — Credit: Jason McLarenCC BY-SA 4.0Source
Twoboyssidebyside-thedaybook-feb18-1914 — Credit: The Day BookPublic domainSource
(King1893NYC) pg766 KNICKERBOCKER TRUST CO., 234 FIFTH AVENUE, CORNER OF 27th STREET — Credit: This file is from the Mechanical Curator collection, a set of over 1 million images…Public domainSource
Annie Bella Wright — Credit: Contemporary newspaper via Wikipedia (Green Bicycle Case)Public domainSource
Nathan Harvey — Credit: Unknown authorPublic domainSource
Jack the Ripper (NYC) letter — Credit: Unknown authorPublic domainSource
James (Jim) Barclay, John Bamford — Credit: ABC Gippsland / East Gippsland Historical Society (via The Line-Up; also captioned in…Public domainSource
Mary Slessor and Four Children, Old Calabar, late 19th century (imp-cswc-GB-237-CSWC47-LS2-036) — Credit: Unknown authorPublic domainSource
File:Moshe Barsky memorial in Kibbutz Degania.JPG — Credit: Avi1111 dr. avishai teicherCC BY-SA 4.0Source
Herman Rosenthal, the murder victimPublic domainSource
Hannah Peck, one of the two murder victimsPublic domainSource
These files are published and cited but are kept out of search listings for now, either because they fall outside Casepin’s true-crime scope or because they are still being deepened.
45. By status: 23 unsolved, 3 cold, 18 solved and 1 overturned. The count covers published files only and changes as new files clear review.
Radium Girls, with 3 videos, podcasts and documentaries linked from its file. Open the file
Brooke Makenna (3 cases), Bailey Sarian (2 cases) and Georgia Marie (2 cases), among 5 creators in all.
United States (34) and Australia (2).
It rebuilds hourly from the published files; the newest file change here is dated Jul 14, 2026. A status changes only when the record behind it does.
