What happened
Welsh backpacker Kirsty Jones was murdered in a guesthouse in Chiang Mai in 2000 while traveling through Thailand.
The investigation
Thai and British authorities reviewed DNA evidence, questioned numerous people and revisited the case as forensic techniques improved, but no profile produced a prosecution.
What the courts or investigators concluded
No one has been convicted and the homicide remains unresolved.
Why the case remains significant
The case is one of Thailand’s best-known unsolved crimes involving a foreign traveler and has repeatedly raised questions about early scene handling, international cooperation and the value of preserving biological evidence for future testing.
Case context
Crime by Region organizes cases geographically so readers can move from one file to other investigations from the same country. For unresolved or contested cases, the wording above reflects the distinction between confirmed events, investigative theories and findings actually established in court.