Liar

Summary of LIAR by Jan Burke:

Investigative reporting has its hazards, but trouble hits home for Irene Kelly when her estranged aunt is murdered--and Irene becomes the leading suspect. With the police hot on her trail, Irene sets out to find cousin Travis, her dead aunt's son, convinced he's the next target. But when Irene finds Travis, a camper-driving children's storyteller with suspiciously deep pockets, things blow up--literally. It takes several brushes with death, staying one step ahead of the law, and a few not-so-sweet reunions for Irene to untangle a complex web of family secrets and long-held grudges, and discover just who is killing off the Kelly clan--and why.

This is #6 in An Irene Kelly Mystery