While I can see that having a paramedic as the central character might be attractive to a writer, especially one who used to be a paramedic herself, the character still needs to be brought to life in some way and this just doesn't happen with 'Lauren'. I didn't care whether she got killed by the baddie, or kissed by her co-worker, or not.
A big problem is that we don't really meet the bad guy; he lurks in the background. This tactic can work but it needs a stronger writer. The bad guy is also a complete psycho, which leaves him short on motive -- always a mistake.
I'd never read an Australian detective novel before and was hoping for a little more sense of place, a little more of a feeling that this couldn't just have been set anywhere in Britain or America.
I saw this book recommended by a newspaper reviewer and bought a copy but found it disappointing.