Super Sleuth: The Making Of Midsomer Murders MIDSOMER MURDERS is the biggest drama export out of the UK, becoming one of the most successful mysteries both in its domestic market and overseas. This special documentary examines Inspector Barnaby - his methods and techniques of investigation, from his time in the original novels through his translation to television. Super Sleuth goes behind the scenes on Midsomer Murders including interviews with stars John Nettles (Barnaby), Daniel Casey (Troy), Jane Wymark (Joyce Barnaby) and Laura Howard (Cully Barnaby) plus series producer Brian True-May, script writer Anthony Horowitz and novelist Caroline Graham.