Whistleblower

A whistleblower exposes other people's secrets.
Death exposes the secrets of all, including a whistleblower's.
Inspector West investigates the death of a public service whistleblower, and discovers the whistleblower has a few secrets of his own.
If you like murder mixed with mystery, and a story full of twists and surprises, you'll enjoy Whistleblower, the fourth book Peter Mulraney's his Inspector West series.