On Facebook crime sites, there always seem to be videos of 'stings', where a bewildered looking man is confronted by a group of people taking the law into their own hands - usually, when the man has travelled to meet face to face with someone he believed to be a young girl from the internet.
The podcast this week, from Essex in 2015, looks at the activity of one young group of vigilantes. I look at how in their aim to out 'perverts', they ended up using extreme violence which left one innocent man dead.....
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