Former G4S Guard’s Uniform Deception Leads to £117,200 Heist in London

On 5 July 2022, former G4S guard Kwabena Kissi entered the Santander branch on Brixton Road, London, in his G4S uniform, helmet and mask. He was buzzed into the secure office, received eleven bags of cash totalling £117,200, placed the money in a bin bag, ordered an Uber and left. The theft was discovered when a genuine G4S guard arrived for the routine cash collection.

The Independent

Key dates: 5 July 2022 – heist; 6 July 2022 – Kissi fled to Accra, Ghana, staying nearly four years; 26 March 2025 – arrested at Gatwick after ordering an Uber; April 2025 – pleaded guilty to fraud and received a 40-month sentence. Main figures: Kissi, vault manager Otis Williams (who prepared £256,000), Santander employee Marlon Louis, prosecutor Imogen Nelson, Detective Constable Stuart Ponder.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

The branch had prepared £256,000 in eleven sealed bags; Kissi stole £117,200. He was sentenced to 40 months.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

Judge Rosa Dean said Kissi exploited his ‘inside knowledge’ and expressed sympathy for staff, noting no disciplinary action would follow. Prosecutor Imogen Nelson highlighted his early arrival and claim of a new route. Detective Constable Stuart Ponder cited CCTV and phone-record links to the Uber. Santander’s review acknowledged staff upset and pledged tighter verification of security-vendor personnel.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

Marlon Louis said, “This person has put my whole life in jeopardy,” reflecting staff anxiety. Analysts flagged reliance on a single external guard. The pre-sentence report questioned Kissi’s claim of fleeing to aid his mother, suggesting evasion as the true motive.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

CCTV captured Kissi in the G4S uniform, helmet and visor lowered, entering vault area and receiving cash bags. After the theft he was seen walking with a bin bag before summoning an Uber. Vault manager Otis Williams confirmed the cash had been prepared for routine collection that day.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

Police maintain the Ghana flight was to avoid detection, whereas the defense cited caring for an ill mother. The pre-sentence report’s skepticism highlights a gap between the claimed and actual motive.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

The case reveals vulnerabilities in cash-transport that depend on external security firms, prompting banks to adopt multi-factor verification. It also demonstrates the Met’s capacity for cross-border tracking and the role of digital footprints in fraud detection.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

• “She told him that he had exploited his 'inside knowledge'.” — Judge Rosa Dean

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

• “'You tripped yourself up of course by booking an Uber in your own name with a phone number known to police.” — Detective Constable Stuart Ponder

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

• “He did what any custodian from G4S would have done, he collected bags, put them in a briefcase, and took them out,' the prosecutor said.” — Imogen Nelson, Prosecutor

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana

Kissi will serve his 40-month term. Santander plans to tighten security-vendor checks, and police continue monitoring high-value fraud.

Moment former G4S security guard uses old uniform to trick bank workers into handing over £117,000 before he flees to Ghana