Factual error: Richardson's watching the World cup final (1966) way way before Reg got married to Frances (1965).
Factual error: George Cornell was killed in March 1966, but before and after the killing you see the Triumph Spitfire Reggie Kray bought for Frances, which carries a 1967 reg plate.
Factual error: During the trial the judge uses a gavel. English judges have never used gavels.
Factual error: Cedra Court didn't have UPVC windows in 1967.