Supergrass use in Northern Ireland courts
Nine men involved in the UVF supergrass trial in Belfast have been acquitted of the murder of UDA leader Tommy English.
They include the alleged former UVF leader in north Belfast Mark Haddock.
Thirteen men had been charged with more than 30 offences including the murder of rival loyalist Mr English, kidnapping, and UVF membership.
Twelve out of the 13 were acquitted of all charges. Neil Pollock, 36, was convicted of possessing items intended for terrorism.
BBC Newsline's Mervyn Jess looks at the history of the supergrass in Northern Ireland.