London - (Emotional Baggage): The MI6 cryptographer most probably died 'somewhere' in the Pimlico apartment block other than his flat before being bagged up ready for shipment.
That's the latest from forensics amid a row about weekend redtops' touting an autoerratic 'Harry Houdini' theory.
This claims Williams got into the airtight sports holdall and then zipped himself inside for sexual gratification.
"That's the first thing they teach you at Spook School," MI6 head of emotional baggage Brigadier Cubby Hoal chuckled, "never, ever twat around with dodgy zip-up games.
"This would have been drummed into Williams along with all other recruits to Spookdom. Check out the company training video on YouBoob!"
Williams' death has rattled the UK security service, already in lockdown mode following the outing of the Anna Chapman Russian espionage ring.
Reports that their capture was a direct result of GCHQ monitoring of telecoms traffic have been widespread in Williams-Chapman conspiracy theory websites.
MI6/KGB turncoat Alexander Litvinenko died of Plutonium-210 poisoning on Halloween 2007.