Midsomer Murders is a British television detective drama that has aired on ITV Network on ITV1 since 1997. The show is based on the books by Caroline Graham, as originally adapted by Anthony Horowitz.
The current lead character is DCI John Barnaby (Neil Dudgeon) who works for Causton CID. Dudgeon's character is the younger cousin of former lead character Tom Barnaby (John Nettles). Dudgeon joined the show in 2011 following Nettles' departure.
The stories revolve around the Barnabys' efforts to solve the numerous murders that take place in the fictional English county of Midsomer. Barnaby has had several Sergeants throughout the run of the show: DS Gavin Troy (Daniel Casey), DS Dan Scott (John Hopkins) and currently DS Ben Jones (Jason Hughes).