Whole Life Sentence by Lynda La Plante

While she has elbowed her way into an elite team investigating non-domestic murders, there is nothing elite about her first assignments: a missing teenager cold case and an apparent suicide Tennison suspects is, in fact, murder.

But as she uncovers explosive evidence, Tennison’s new colleagues watch like vultures circling prey. And, one by one, the cases no one else wanted are taken from her – and the glory along with them.
Now Tennison has had enough: of the rampant sexism, snide remarks and undermining. It’s time to take what is rightfully hers from those who have held her back.
She just has to do what she does best: find her prime suspect . . .