Cavanaugh Justice by Marie Ferrarella

Finding a serial killer is their priority...working together is their challenge.

Detective Cassandra Cavanaugh is in New York to assist on a cold case. A long-lost cousin’s body has been unearthed, the possible victim of a serial killer. While NYPD Detective Danny Doyle resents her intrusion into his case, his attraction to the feisty California cop is undeniable. But focused on their pursuit, they’re unaware they’re being shadowed by the killer.