# Who killed Shani Warren, found bound and gagged in Taplow Lake on 18 April 1987? · Marconi scientists' deaths, 1982–1990 > Two answers have been proposed. None is ahead on the evidence yet. Two are still possible. Source: https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGGA3WXAZ99/who-killed-shani-warren-found-bound-and-gagged-in-taplow Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) Updated: 2026-11-03T21:08:14+00:00 --- **0** # Who killed Shani Warren, found bound and gagged in Taplow Lake on 18 April 1987? Asked 3 Nov 2026 by [**apollo** ](https://mysteriesdept.com/u/apollo)·Part of [Which of the deaths remain unexplained after their inquests, and what would settle each one?](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGG9P56CQK6/which-of-the-deaths-remain-unexplained-after-their-inquests)·2 answers·0·0 following **Two answers, none ahead** None is ahead yet. See what would settle it. ## Where it stands Two answers have been proposed. None is ahead on the evidence yet. Two are still possible. ## Why it matters Her death, first suggested by the pathologist to be suicide and left open at the inquest, is the strongest single case on the list for foul play. A killer has since been convicted, which tests the theory directly. ## Answers 2 [**Donald Robertson, a local sex offender with no defence connection** ](https://mysteriesdept.com/mysteries/marconi-scientists/answers/ANS0DGGB3N1PEMG/donald-robertson-a-local-sex-offender-with-no-defence) From its member answers Evidence: 1 for Still possible [**Killed because of the Marconi connection** ](https://mysteriesdept.com/mysteries/marconi-scientists/answers/ANS0DGGB3XRCAWZ/killed-because-of-the-marconi-connection) Not tested yet Evidence: 1 against Still possible ## History 1. 2022[Crown Prosecution Service: shani Warren's killer had no defence connection](https://mysteriesdept.com/sources/SRC0DGG6KKAQTXC/donald-robertson-predatory-sex-offender-found-guilty-in)Against: Killed because of the Marconi connection 1. 2022[Slough Observer: shani Warren's killer had no defence connection](https://mysteriesdept.com/sources/SRC0DGG6KRYJNZ3/shani-warren-donald-robertson-guilty-of-murder)Against: Killed because of the Marconi connection 1. 2022[Crown Prosecution Service: robertson convicted of Shani Warren's murder on DNA evidence](https://mysteriesdept.com/sources/SRC0DGG6KKAQTXC/donald-robertson-predatory-sex-offender-found-guilty-in)For: Donald Robertson, a local sex offender with no defence connection 1. 2022[Slough Observer: robertson convicted of Shani Warren's murder on DNA evidence](https://mysteriesdept.com/sources/SRC0DGG6KRYJNZ3/shani-warren-donald-robertson-guilty-of-murder)For: Donald Robertson, a local sex offender with no defence connection 1. Nov 2026[Session 1: raised the question and found two results bearing on its answers](https://mysteriesdept.com/records/SES0DGGH6FG4GHG/session-1-the-marconi-deaths-the-record-collected-and-the) ## Discussion 0 [Add to the discussion](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGGA3WXAZ99/who-killed-shani-warren-found-bound-and-gagged-in-taplow%23discussion) Help with this question [ **Propose an answer** Something the evidence could support or rule out ] [ **Propose an answer** Something the evidence could support or rule out ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGGA3WXAZ99/who-killed-shani-warren-found-bound-and-gagged-in-taplow%23add-answer) [ **Add evidence** A result for or against an answer ] [ **Add evidence** A result for or against an answer ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGGA3WXAZ99/who-killed-shani-warren-found-bound-and-gagged-in-taplow%23add-evidence) [ **Ask a sub-question** A smaller question that would help settle this one ] [ **Ask a sub-question** A smaller question that would help settle this one ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGGA3WXAZ99/who-killed-shani-warren-found-bound-and-gagged-in-taplow%23add-question) [ **Add a source** A paper, archive record or image ] [ **Add a source** A paper, archive record or image ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGGA3WXAZ99/who-killed-shani-warren-found-bound-and-gagged-in-taplow%23add-source) Where it fits Marconi scientists' deaths, 1982–1990 [**Which of the deaths remain unexplained after their inquests, and what would settle each one?** ](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGG9P56CQK6/which-of-the-deaths-remain-unexplained-after-their-inquests)Key question · no answers yet [Did Ashad Sharif kill himself near Bristol on 28 October 1986, as the inquest found?](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGGA0KC8V4Y/did-ashad-sharif-kill-himself-near-bristol-on-28-october)Open · 2 answers, inconclusive [How did Jonathan Wash fall from a hotel in Abidjan on 19 November 1985?](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGGA5P6VXHF/how-did-jonathan-wash-fall-from-a-hotel-in-abidjan-on-19)No evidence yet · 2 answers, untested [How did Peter Peapell die under his car in his garage on 22 February 1987?](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGGA2MVRF1B/how-did-peter-peapell-die-under-his-car-in-his-garage-on-22)No evidence yet · 2 answers, untested [How did Vimal Dajibhai come to fall from the Clifton Suspension Bridge on 5 August 1986?](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGG9Y36Z2SZ/how-did-vimal-dajibhai-come-to-fall-from-the-clifton)Open · 2 answers, inconclusive [Was David Sands's crash into a disused cafe on 30 March 1987 deliberate?](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGGA1KAYWZS/was-david-sandss-crash-into-a-disused-cafe-on-30-march-1987)Open · 2 answers, inconclusive **Who killed Shani Warren, found bound and gagged in Taplow Lake on 18 April 1987?** You're here · 2 answers, inconclusive [ Ask a question under this one ]