Charles Ansah, believed to be in his early 40s, has appealed to the Supreme Court to reduce his sentence.
The convict has served 13 years of a 33-year sentence for the offense of robbery.
He told a five-member panel to reduce his sentence because some of his colleagues had their sentences reduced.
Ansah, who was on his knees, told the apex court: "I only took the money, while Hamza, a colleague, pulled out a cutlass.
