Rent No Good Deeds: A Tess Monaghan Novel (Tess Monaghan Mysteries)

In the ninth novel featuring spunky reporter-turned-private investigator Tess Monaghan, a homeless street hood brought home by Tess's boyfriend turns out to have crucial information on a murder case. When Tess relays this information to the local paper, she finds that it may be harder to protect her source's identity than she thought.