Yostin Andres Mosquera, 35, of Scotts Road, Shepherds Bush Green, was convicted by a jury of two counts of murder at Woolwich Crown Court today (July 21).
The charges relate to the murders of 71-year-old Paul Longworth and 62-year-old Albert Alfonso who were found brutally murdered on July 8, 2024.
Mosquera – a pornographic performer and Colombian national who spoke no English – was known to the couple, who were in a civil partnership, for years and had been staying with them at their flat for a month prior to the murders.
He and Albert were involved in a consensual sexual relationship that was accepted by Paul.
Mosquera committed the first murder while Albert was at work. He was seen on CCTV camera footage standing in the window of the flat and drawing the curtains at about 12.30pm.
It was then that he is believed to have killed Paul.
A post-mortem revealed Paul died of multiple severe blunt force traumas to the head, carried out with in an attack with a hammer.
Injuries on his hands suggest he attempted to defend himself.
Mosquera hid Paul’s body in a divan storage space under the bed in Paul’s room and waited for Albert to come home.
The footage showed Mosquera performing sex acts on Albert in his bedroom, before repeatedly stabbing him and cutting his throat.
Two days after the murders Mosquera booked a van with a driver and set off to Bristol with two suitcases containing body parts of both victims.
After arriving at the Mall Pub, he then booked a taxi to the Clifton Suspension Bridge, his behaviour attracting the attention of local residents who asked if he needed help with his luggage.
One witness filmed Mosquera acting suspiciously before Mosquera attempted to knock the phone out of his hand and ran away.
Mosquera reported that the red substance leaking from the heavy cases was oil.
At about 11.30pm, Mosquera told a cyclist who saw him on Clifton Suspension Bridge with a large red suitcase and near a silver trunk that they contained car parts.
Bridge staff noticed something appeared to be leaking from the red suitcase and Mosquera subsequently fled, dumping the luggage.
The police were alerted to his suspicious behaviour and a murder investigation was launched after officers discovered the body parts inside the cases.
They turned their attention to the flat in Scotts Road after officers discovered an address label that had been left on one of the cases.
On July 10 the property was searched, turning up crucial evidence including the decapitated heads of both Paul and Albert in a chest freezer in the hallway of the flat.
The murder weapons were found nearby.
Detectives gathered evidence to support the motive that Mosquera had murdered the men in a bid to obtain their property and money.
The 35-year-old was found to have researched a freezer online on multiple occasions, including one that he later ordered to the flat.
Online searches in Spanish revealed he had researched topics such as how long it would take for a body to decompose, and where on the head would be a fatal blow.
His laptop activity from the week before the murders showed he had been browsing the internet to try and confirm the value of the Shepherds Bush property, and information surrounding Paul’s and Albert’s finances.
He had also attempted to open a bank account using the Scotts Road address.
Immediately after the murders, he accessed a spreadsheet which contained their online banking passwords, and attempted to login to a number of their online bank accounts.
He unsuccessfully attempted to send £4,000 to his account in Colombia.
Mosquera was arrested in Bristol in the early hours of July 13, 2024. He was charged with two counts of murder two days later.
Although he had admitted killing Albert, he denied the offence of murder, admitting only the lesser offence of manslaughter following what he called, a loss of self-control.
He also denied murdering Paul, claiming his long-term partner, Albert, had killed him instead.
Mosquera will be sentenced at the same court in October.
Det Chf Insp Ollie Stride said: “This has been one of the most harrowing murders my team have ever investigated, a case that will stay with many of us for a long time.
“Paul and Albert were murdered in the most brutal and callous of ways in their own home.
“The investigation has been complex and intense and we worked tirelessly to build a catalogue of evidence which would ensure we brought Mosquera to justice.
“The team have consumed hundreds hours of footage, including some of the utmost disturbing and graphic nature. Those images will stay with all of us for a very long time.
“We are grateful to all those who helped us build this investigation, including Avon and Somerset Police, who commenced the investigation and arrested Mosquera.
“As well as the many witnesses who provided detailed accounts of events which must have been extremely hard to share.
“We have also worked closely with the LGBT+ Independent Advisory Group and I am grateful for their support and the advice they have provided as they helped monitor the investigation.
“Paul and Albert had known one another for decades. They were in a loving, committed relationship and welcomed Mosquera into their home. They did not deserve to have their lives taken away from them in the most traumatising of circumstances.
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“Our thoughts and prayers remain with Paul and Albert’s family and loved ones and all who knew them, as they continue to process the trauma of what happened.”
If you’ve been affected by this case, please contact Samaritans on 116 123 or Mind’s support line on 0300 102 1234.
For anyone in the LGBT+ community affected by this incident, please visit Galop for information and support.
