Crimewatch

Crimewatch (formerly Crimewatch UK) is a British television programme produced by the BBC, that reconstructs major unsolved crimes in order to gain information from the public which may assist in solving the case. The programme was originally broadcast once a month on BBC One, although in more recent years it was usually broadcast roughly once every two months.

Summary
Crimewatch used to be shown once a month on BBC One usually at 9pm, with a Crimewatch Update at 10.35 (following the BBC News at Ten). Since March 2011 the show aired less frequently, roughly once every two months.

It featured approximately three or four cases per show, with each case featuring reconstructions of the crime. It was one of the largest live factual studio productions. The films shown often feature interviews with senior detectives and/or relatives or friends of victims.Key evidence is usually shown, such as E-FIT profiles of suspects and details of certain lines of enquiry.