5/5 Exploring how an 1866 photograph of a butcher taken in Australia changed British law.
BBC Radio 3
Can ordinary New Yorkers stop police brutality armed only with cameras?
15/20 An officer has a close encounter when a drug addict threatens to stab her with a needle.
14/20 The team breaks up a brawl over a cigarette but turns to CCTV to unveil the culprits.
13/20 The team tackle rogue traders who are selling fake cigarettes.
Following rural police tackling crime in north Wales.
12/20 The team respond to reports of two men fighting with knives.
1/8 Alys and Bronagh establish the events of the night in 1996 Damien Nettles went missing.
11/20 The team raid a house whose tenants' antisocial behaviour has been plaguing the community.
5/8 Alys and Bronagh interrogate the Weatherman’s account.