Fraser, who died aged 90 in 2014, thundered how the notorious hardman-turned-celebrity had embellished his tough man image and even accused him at one point of being a snitch.
Courtney, one of Britain s best-known gangster, made a name for himself through his affiliation with famous London East End hardmen such as identical twin criminals the Kays and Roy Shaw.
Sir Mark Rowley said the ex-British soldier s jailbreak from HMP Wandsworth was clearly pre planned and confirmed the prospect of jail staff helping him remained part of enquiries.
The Met is offering a reward of up to £20,000 for information that leads to the arrest of Daniel Abed Khalife, as detectives investigate a sighting of him near Wandsworth Roundabout.