Brian Stack's son says the sketch was 'horrible' and 'disgusting'.
The family of IRA victim Brian Stack has described a comedy sketch involving Gerry Adams as 'horrible' and 'disgusting'.
There has been criticism of the former Sinn Fein leader, who is accused of making light of Provisional IRA atrocities in the video.
The video was recorded for a greeting card company, which has since removed it.
Portlaoise Prison officer Brian Stack died in 1984 after being shot in the neck by the Provisional IRA, and his son Austin has condemned the sketch: