Riven

First he kills.

A psychologist is found brutally murdered, an addict jumps to his death and a student is found dead. These are the facts. And they are all that DIs Wheeler and Ross have.

He waits.

As Wheeler and Ross weave through the layers of Glasgow's underbelly they find a subculture where truth and lies are interchangeable commodities and violence is the favoured currency.

He watches.

The killer stays one step ahead of them as Wheeler un…