Warning: This article contains graphic images and video which some readers may find distressing.
Yostin Andres Mosquera, the man who was yesterday (21 July) found guilty of the murder of 71-year-old Paul Longworth and his 62-year-old civil partner Albert Alfonso, filmed himself singing and dancing after killing the two men.
Alfonso had been repeatedly stabbed while Longworth was struck on the back of his head by a hammer, with their killer having made several internet searches related to the killings before carrying them out.
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On 8 July last year Mosquera 'decapitated and dismembered' the two men he had been living with in their flat in Shepherd's Bush.
He placed some of their remains in a freezer and the rest into two suitcases which he tried to dispose of by throwing off the Clifton Suspension Bridge.
However, staff at the bridge and members of the public approached him after they noticed something leaking out of the suitcases, with the killer claiming they contained car parts and the liquid coming from them was oil.
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Mosquera fled the scene but was later arrested and has now been found guilty of murder in both cases, he had tried to claim manslaughter in killing Alfonso and denied killing Longworth but the jury delivered a guilty verdict.
During the trial they were shown a disturbing video of the moments after the murders in which Mosquera appeared to sing and dance in the flat that belonged to the men he killed.
The judge Mr Justice Bennathan warned the jury the footage was 'not an easy watch', and the video is supposed to have been taken place before Mosquera dismembered the bodies of his victims.
After he had cut up Alfonso and Longworth, Mosquera used their computer to try and access their online bank accounts and attempted to send his own account £4,000 which did not succeed.
He managed to withdraw around £900 of Alfonso's money before the bank blocked any further transactions.
When he was arrested he insisted to Alfonso killed Longworth, though he had been found to search the phrase 'hammer killer' and the question 'where on the head is a knock fatal?'.
Mosquera claimed that Alfonso must have made those internet searches.
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He also searched for a number of freezers to buy, with the killer ending up storing human remains of his victims in a freezer.
After around five hours of deliberation the jury returned a unanimous verdict of murder on both counts.
His sentencing is due on 24 October.
Joe Harker