Using the timeframe of the last 21 years, Sky News returns to some of this century's biggest news stories, using the focus of extraordinary personal stories, defined by these events.

On the 3rd of July 2010, Sue Sim, Chief Constable of Northumbria Police, received a call in the middle of the night, to say there’d been a double shooting in a quiet suburb of Newcastle.

Specialist police units, snipers and RAF jets all featured in the pursuit of the gunman, which played out live around the world.

Listen to the second episode - a 17 minute podcast - here in full.

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