 Other notable supergrass trials of that period were those of IRA informer Christopher Black and Loyalist Ulster Volunteer Force informer Joseph Bennett.Black's testimony secured the conviction of 35 defendants, and Bennett's evidence secured the conviction of 14 senior members out of the 16 defendants accused of UVF-related crimes.In 2006, McGrady's brother John was convicted of murdering and dismembering a young woman in London.