Police dig up car park in search for missing teen, 18, feared victim of murderer who 'used Man Utd season ticket as cover'

Police are digging up a car park in Gibraltar in the search for a missing British sailor feared to have been killed by a double murderer.

Able Seaman Simon Parkes, 18, went missing 37 years ago in December 1986. He was last seen when the ship he was serving on, HMS Illustrious, was docked in the British territory.

The Mirror reports Simon is feared to have been murdered by Royal Navy Petty Officer Allan Grimson, the so-called 'Frankenstein serial killer'. Grimson, now 66, served around the world on Illustrious and the destroyer HMS Edinburgh and is said to have used a Manchester United season ticket as cover to travel the country. He was jailed for life in 2001 for the murder of two young men but is up for parole next month.

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Simon's mum, Margaret Parkes, 78, who has never given up hope of finding her son, said: "We've gone through quite a few of these over the years and we just hope something will be found this time but have to be careful not to be too disappointed if it's not. I know Grimson is up for parole but in my opinion he is a very dangerous man and should never be released."

Margaret and her husband David, from Bristol, also lost Simon's older brother Derek, 37, to a brain aneurysm in 2000. She said: "It's been 37 years now, we have coped with great difficulty. You always have the hope he could send a letter or just knock at the door one day. At the beginning, the Navy thought Simon had gone AWOL so for 13 or 14 years we didn't have any support or information."

It wasn't until the conviction of Grimson that there was found to be a link with Simon. "Simon was just a typical 18-year-old who was full of life, he did not have any enemies and