Created by Peter F. Hamilton
Sci-Fi PI GREG MANDELis ex-Mindstar, the psi-corps part of the British military. He has an ESP sense that allows him to get impressions of people's minds, sort of a living lie detector.
In the first novel, Mindstar Rising, he is hired by a large corporation to look into a case of industrial espionage. In the second, A Quantum Murder, he investigates a murder for the same clients. Set in a post-global warming Britain where the climatic changes have deeply affected the population centers as water and other natural resources have diminished, these are fine mysteries as well as sf. And he is a true PI (according to my narrow definition).
Contributed by Keith Logan.