By Chris King, special correspondent
Our timeline on this page takes a look at the main evidence from the public inquiry into the failings at Stafford Hospital. The inquiry started in November 2010.
The inquiry is looking into the failings of the regulatory bodies and organisations which should have been monitoring the hospital's performance.
On this page you can see a diary of some of the more important pieces of evidence delivered at the inquiry. BBC reporter Chris King is the BBC's special reporter at the inquiry.
Campaign
Back in November 2007, Stafford resident Julie Bailey set up the Cure The NHS campaign group after her mother Bella died in Stafford Hospital. She had been horrified by the treatment her mother received, and found out she was not the only one with concerns.
It took three years of campaigning by CTN, but finally, a full public inquiry got underway in November 2010.
An earlier investigation by the NHS watchdog, the Healthcare Commission, had already concluded that hundreds more people died at Stafford Hospital between 2005 and 2008 than should be expected. It said the hospital's "appalling" emergency care resulted in patients dying needlessly.
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