Don't miss a thing by getting the day's biggest stories sent direct to your inbox The second stage of the Undercover Policing Inquiry, set up after a series of eye-opening disclosures about undercover tactics, is now underway.
It is set to cost millions of pounds, and take several years to come to its conclusion. But what is it and why is covert policing now in the spotlight?
Here's everything you need to know. The Undercover Policing Inquiry was set up in 2015 by then home secretary Theresa May with the aim of uncovering the truth around decades of covert policing.
It came about after independent reviews found 'appalling practices' in undercover policing in England and Wales - including allegations of undercover officers forming sexual
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