How I captured Britain's most notorious gangsters – in paint

Portraits of underworld figures, from ‘Mad’ Frankie Fraser to Roy ‘Pretty Boy’ Shaw, are to be shown in a former illegal drinking den – the artist Charles Delafeld and some of his most dangerous subjects speakPolice mugshots are among the most familiar and revealing of portraits, celebrated internationally in art galleries and coffee table books. But what about less stark images of criminals? This month sees an exhibition of portrayals of British gangsters past and