Officers reveal the art of the manhunt, including what tactics are used to track down and apprehend suspects; former specialist firearms officers remember the 7th July, 2005, London bombings and the events that happened afterwards.

Former officers remember a Christmas day stand-off, which turned into the UK's longest ever siege and an airplane hijacking.

Police use the difficult hard stop manoeuvre to intercept armed criminals on the move, however this has resulted in a fatal shooting and an officer ended up on trial for murder as a result.

Officers are forced to use the hard stop manoeuvre to capture armed criminals, which leads to a deadly shooting and an officer on trial.