Diane Sindall Memorial

MODERN AND ONGOING CASE - HANDLE WITH CARE, DIFFERENT CATEGORY FROM EVERY OTHER ENTRY HERE. This is a live, unresolved case rather than settled history, and it's currently a major UK news story in its own right, separate from the murder itself. On the night of 1-2 August 1986, 21-year-old Diane Sindall, a florist and part-time barmaid saving for her upcoming wedding, was killed in an alley off Borough Road, Birkenhead (opposite where the Pyramid Shopping Centre now stands), after her van ran out of petrol and she was walking to an all-night garage. Peter Sullivan was convicted of her murder in 1987 and served 38 years in prison - but was exonerated by DNA evidence in May 2025, making him the longest-serving victim of a wrongful conviction in British legal history. He has since alleged he was bullied into a false confession by police; the Independent Office for Police Conduct is now separately investigating the original Merseyside Police inquiry. Diane Sindall's actual killer has never been identified and remains unknown as of this writing; Merseyside Police reopened the murder investigation itself following Sullivan's exoneration, using modern forensic techniques on preserved evidence. Given the case is active - a real killer remains unidentified and at large, and a wrongly convicted man is still living with the consequences - this entry should stick strictly to established facts from mainstream reporting and avoid any speculation about the killer's identity. The memorial stone itself appears to be a modern addition rather than contemporary to 1986, though its exact installation date wasn't confirmed in sources checked here. Photo credit: submitted by the site's own contributor, taken 2021. UPDATE (case remains active): Merseyside Police's own site shows the investigation is still very much live. In January 2026 they announced a £20,000 reward for information leading to the killer's identification, and renewed public appeals continued through 2026 (including around the murder's 40th anniversary). Police statements confirm the cause of death as a cerebral haemorrhage, and that the case was formally reopened in 2023 after new DNA testing confirmed the profile did not match Peter Sullivan - ahead of his 2025 exoneration already noted above. Kept here strictly to official police statements, in line with the 'handle with care' note already on this entry - no speculation about the killer's identity.