He Kills Coppers
Episode 3
S1 E3:
Nearly 20 years after the killings, Frank has managed to attain the rank of DCI, but finds that promotion is no guarantee of fulfilment. Spurred into renewed action by the disappearance of journalist Tony Meehan, he finally manages to locate Billy - who senses the game is almost over and arms himself in readiness, determined to end it on his own terms.