No Compromise (DS Peter Gayle, #7)

No Compromise (DS Peter Gayle thriller series, book 7)
A brutal murder. A man jailed. A new witness who claims he couldn’t have been there.
Already in the middle of a violent and complex case, DS Pete Gayle gets entangled in a tangled web of lies and intrigue. With a man in jail for a murder he may not have committed, the reputation of the station and the whole force is on the line. Pete has to face one of the hardest choices of his life. To break ranks and go against another officer risks losing friends, colleagues and career, but if he ignores the case, will he be able to live with himself?