The above link references an interview with Alan Westaway who directed what I believe to be the first film adaptation of any of writer Magnus Mill’s works. The full 11–minute piece can be viewed for free, but unfortunately only through a custom application. I’m sure this will appear on YouTube at some point. The first minute or so is available as a teaser via flash:
"The Good Cop" is part of the short story collection, once in a blue moon publish by the acorn book company. It's available from Amazon UK but used copies can probably be found in the U.S.
The full text of the story was published online by The Guardian back in April, 2004.