Life Sentence for Murderer of Acton Swimming Coach

Killer butchered Albert Alfonso and his partner taking body parts to Bristol

L to R: Yostin Mosquera, Albert Alfonso and Paul Longworth. Picture: Facebook

October 24, 2025

A man who murdered two long-term partners in their west London home and transported their remains to Bristol in suitcases has been sentenced to life imprisonment with a minimum term of 40 years.

Yostin Andres Mosquera, 35, of Scotts Road, Shepherd’s Bush, was convicted of the murders of Paul Longworth, 71, and Albert Alfonso, 62, following a complex investigation by the Metropolitan Police. The Colombian national, who had featured in gay porn films, was sentenced at Woolwich Crown Court on Friday 24 October.

The victims, who had been in a civil partnership for decades, were killed at their flat on Monday 8 July 2024. Mosquera had been staying with them for several weeks prior to the murders and was known to both men. The court heard that Mosquera was involved in a consensual relationship with Albert Alfonso, which Paul Longworth was aware of and accepted.

Albert, a well-known and popular swimming coach at The Mode Club in Bromyard Avenue, Acton, was murdered hours after returning home from work. His killing was captured on cameras that had been set up in his bedroom. Paul had been killed earlier that day, suffering multiple blunt force injuries to the head. His body was concealed under a bed.

Mosquera later transported body parts in two suitcases to Bristol, where his suspicious behaviour near the Clifton Suspension Bridge prompted witnesses to alert police. The suitcases were found to contain human remains, and an address label led officers back to the Shepherd’s Bush flat. A search revealed further remains stored in a chest freezer, along with the murder weapons.

Detectives uncovered evidence that Mosquera had researched decomposition, fatal injuries, and freezer purchases in the weeks leading up to the murders. He had also accessed the victims’ financial information and attempted to transfer money to his account in Colombia.

Detective Chief Inspector Ollie Stride described the case as one of the most harrowing his team had ever investigated. “Paul and Albert were murdered in the most brutal and callous of ways,” he said. “They had opened their door to a man so evil he would take advantage of their generosity and murder them to satisfy his own financial gains.”

Mosquera denied murdering Paul and claimed Albert was responsible, despite admitting to killing Albert himself. He pleaded guilty only to manslaughter in Albert’s case, citing a loss of self-control. The jury rejected his defence and convicted him of both murders.

Detective Inspector Neil Meade of Avon and Somerset Police, who supported the investigation, said Mosquera had shown “a complete lack of remorse” and committed “truly barbaric crimes.”

The Metropolitan Police worked closely with Avon and Somerset Police, the Crown Prosecution Service, and the LGBT+ Independent Advisory Group throughout the investigation. Officers reviewed hundreds of hours of footage and gathered extensive forensic and digital evidence to secure the conviction.