# Shani Warren's killer had no defence connection

> The man convicted of killing Shani Warren was a local serial sex offender who attacked other women and girls around Slough; nothing links him to GEC…

Source: https://mysteriesdept.com/mysteries/marconi-scientists/evidence/EVD0DGGCSVDVRCS/shani-warrens-killer-had-no-defence-connection  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Marconi scientists' deaths, 1982–1990](https://mysteriesdept.com/mysteries/marconi-scientists)Evidence

Evidence · Marconi scientists' deaths, 1982–1990

# Shani Warren's killer had no defence connection

The man convicted of killing Shani Warren was a local serial sex offender who attacked other women and girls around Slough; nothing links him to GEC, Marconi or any intelligence service.

Established0

## What it means

Key question[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)

No evidence yet

**No evidence yet** unchanged

Part of it[Who killed Shani Warren, found bound and gagged in Taplow Lake on 18 April 1987?](https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGGA3WXAZ99/who-killed-shani-warren-found-bound-and-gagged-in-taplow)

No answer ahead yet

**Open** unchanged

Answer this evidence bears on[Killed because of the Marconi connection](https://mysteriesdept.com/mysteries/marconi-scientists/answers/ANS0DGGB3XRCAWZ/killed-because-of-the-marconi-connection)

Counts againstnone for, 1 against

**Still possible** was No evidence yet

What it implies
1.

The Marconi connection played no part in her death.For: Who killed Shani Warren, found bound and gagged in Taplow Lake on 18 April 1987?

## Sources 2

[Donald Robertson: Predatory sex offender found guilty in historic rape and murder case](https://mysteriesdept.com/sources/SRC0DGG6KKAQTXC/donald-robertson-predatory-sex-offender-found-guilty-in)

Service 2022

SRC

[Shani Warren: Donald Robertson guilty of murder](https://mysteriesdept.com/sources/SRC0DGG6KRYJNZ3/shani-warren-donald-robertson-guilty-of-murder)

Observer 2022

SRC

## Cite it

```
Mysteries Department. (2026). Shani Warren's killer had no defence connection [Evidence EVD0DGGCSVDVRCS]. https://mysteriesdept.com/r/EVD0DGGCSVDVRCS
```

Key

**EVD** 0DGGCSVDVRCS

Kind

Evidence

Tier

Established

Found in

[Session 1](https://mysteriesdept.com/mysteries/marconi-scientists/sessions/SES0DGGH6FG4GHG/session-1-the-marconi-deaths-the-record-collected-and-the) · 3 Nov 2026

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