At about 4 a.m., two hours before dawn, the dark blue Austin saloon skiddy to a halt in the dark foggy gloom of St. Helens Gardens.

Inside this unlit taxi, two men sprang at speed and fled swiftly into the night.

From the driver's seat ran a tall and skinny beamhole of a man in a blood-stained grey suit and matching felt hat.

As from the backseat, still clutching a 32-caliber German Luger pistol

dashed a short and squat chap in a black uniform of a leading seaman in the Polish Navy.

Said to have been executed with precision,

the body of Frank Everett had been stuffed into a cramphole on Lambeth Bridge, a few miles south.

But why did two Polish deserters kill the Duke?

Police didn't think it was a robbery, as they only took nine pounds, a black notebook, a

blue-mottled pen, and two new packs of punch matches.

The press suggested this ex-copper-turned-informer was executed over a secret list of Soho

gangsters, or that someone had brutally shot dead a black marketeer over a truck

full of contraband whiskey as a message.

Heading up the investigation, Chief Inspector Chapman described it as one of the cleverest murders

in criminal history, as within days their detective work at Hiddrick

Wall and stalled. Frank's killers would never be caught. Or so the police thought,

as exactly two weeks later, two killers would strike again in an almost identical execution.

Unlike the Duke, the second victim was a criminal to the core.

Russian Robert was the alias of Ruben Martyrusov.

Born in Tbilisi in the ex-Soviet state of Georgia on the 22nd of December 1905, as the

eldest child to York and Sonia Danieloff. His true identity is unknown.

Raised in a prosperous family of Armenian Jews,

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