Dave Courtney believes the killer of his murdered stepson attended his funeral.

After burying gunned-down Genson, 23, at a huge funeral in south-east London, the notorious underworld leader of 'The Firm' mob said he could not sleep in the knowledge that the killer remains at large.

Clad in white, the 53-year-old was surrounded by minders from the Outlaw gang as he paid his last respects with his devastated wife and mother of Genson, Jenny.

Mourning: Dave Courtney with Genson's mother Jenny at the funeral of the gunned-down cage fighter

Murdered: Genson Courtney, 23, was shot dead while he waited in his car outside of his girlfriend's home in Greenwich

Genson, nicknamed 'G-Man', was ambushed as he got into his VW Golf outside his girlfriend's home in Greenwich, south-east London in July.

The victim, whose stepfather has written books about gangland violence, was blasted by a lone gunman in the head and shoulder before his assailant fled on foot.

Police suspect a major drugs baron owed thousands of pounds by Genson ordered his execution just before 11pm on Sunday.

There is also a theory he could have been lured to the area after being caught up in an ongoing feud between gangs.

But the Daily Star on Sunday newspaper says some sources from Genson's gang claimed to them that the shooting had been ordered by the young man's own stepfather.

They claim Mr Courtney, from Plumstead, South London, had a grudge against his stepson after he was beaten by him in a fight following a family row.

But the former debt collector, who claims to have been shot, stabbed and had his nose bitten off, rubbished the accusations.

'this has nothing to do with me and I honestly don't think ,y past has had any influences on my kid.

'Whether I'm gonna get chastised for this or not, I was aware what he was and I just tried to make him do that as much as possible. I could not have stopped this and I definitely didn't make it happen.'

 

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The Daily Star on Sunday said the gangster paid £2,500 for the coffin's plot in the send-off, which cost £4,00 and was held in Eltham.

Killer on the loose: 'Dodgy' Dave Courtney, with wife Jenny, says he cannot sleep knowing that the person responsible for Genson's death is still out there

 

Send-off: Hundreds turned out to pay their respects to the 23-year-old, whose execution police suspect was ordered by a drug baron

Courtney, who was jailed in the Eighties for attacking five men with a meat cleaver, also boasts that he has been involved in assault and murder.

He often focuses on his links with Reggie Kray and the infamous criminal Lenny McLean and is said to be a central figure in a loose collection of villains who refer to themselves as The Firm.

He refers to himself as Dave Courtney OBE – 'One Big Ego' - and has a painted depiction of himself as a knight on his house.