Screen of Deceit by Nick Oldham
This is the new Detective Chief Inspector Henry Christie novel.When 14-year-old Mark Carter's sister Beth dies from a massive drugs overdose, he plunges into a vortex of petty crime and depression. However, if he agrees to become an informer for the cops, he could avenge Beth's death and redeem himself. But if it all goes wrong, Mark stands to lose everything - including his life.Mark's obsession for revenge, channelled by DCI Henry Christie, leads him to a dangerous mixture of teenage street gangs, brutal murder, drug turf wars, betrayal - and the realisation that everything he holds true is just a screen of deceit - and the certainty that nothing in his life will ever be the same again.