Kneecapping by vigilantes sounds like something from the past, but in part of Northern Ireland it's increasingly being used against people suspected of dealing drugs.
On Tuesday's Dateline at 9.30pm on SBS ONE, Evan Williams reports on the punishment attacks and killings that are adding to the long-standing divide between people in Londonderry, or Derry as Irish Republicans call it.
Republican Action Against Drugs has the support of some, in a deprived area where the police aren't trusted, but it's forced others to flee under threat of death, leaving behind divided and bereaved families.
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And there's concern about the group's new amalgamation with other IRA factions and a return to the violent conflict over whether Northern Ireland should be British or Irish.
See what happens when a community takes the law into its own hands on Dateline this Tuesday at 9.30pm on SBS ONE, plus read more now on the Dateline website.
