Revisited - A Naval Disappearance

UK True Crime Podcast

Guns, Crime, Personal Journals, Uk, Drugs, Murder, Society & Culture, Crimepodcast, True Crime, Robbery, Uktruecrime, History

4.4 • 2.6K Ratings

🗓️ 2 January 2026

⏱️ 44 minutes

🔗️ Recording | iTunes | RSS

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Summary

Today I am re-releasing an episode I recorded in 2019 about Allan Grimson, a totally depraved excuse for a man who murdered at least two Royal Navy Sailors and it is speculated, up to as many as twenty others. The reason I have re-released this episode for you today, is because as you may have heard, the police announced last week that they have ended the investigation into the disappearance of Simon Parkes in Gibraltar - a man widely thought to have been another of Grimson's victims.

I don't think this story is widely enough known and so wanted to release it again as a tribute to the two men who were killed by Grimson - Nicholas Wright and Sion Jenkins - and to raise awareness in the hope that Simon's devastated family and friends can finally discover what happened to him.

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Transcript

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0:00.7	Welcome to Always True Crime, a podcast network bringing you gripping real-life stories that you won't be able to stop thinking about.
0:08.2	Discover your next true crime obsession at alwaystruecrime.com.
0:12.9	Hello and happy new year.
0:15.2	Welcome to this special bonus episode of the UK True Crime podcast. I'm Adam.
0:20.7	Today I go back to a story I originally released in 2019,
0:25.9	so why would I re-release it today?
0:27.9	Well, at the end of December last year,
0:30.7	the police announced that they've ended their investigation
0:32.9	into the disappearance of a Royal Navy sailor 40 years ago.
0:37.7	Simon Parks from Bristol was last seen in December 1986
0:41.6	when the ship that he was serving on, HMS Illustrious, was docked in Gibraltar.
0:47.9	The 18-year-old radio operator failed to return after a nightout with crewmates
0:52.5	and the ship returned to Portsmouth
0:54.5	without him.
0:56.7	Hampshire and the Iron of White Constabulary said that following the advice of the Crown Prosecution
1:01.2	Service, the investigation would be filed unless further information came to light.
1:08.2	Simon's disappearance was previously part of an investigation into depraved murderer Alan Grimson,
1:14.5	a former petty officer who was jailed for life for the murder of two sailors
1:18.8	and who had been serving on board the aircraft carrier.
1:22.8	In this episode, I tell the stories of the two men killed by Grimson
1:27.0	and asked the question of
1:29.6	whether he was also responsible for the murder of Simon Parks.
	...

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