The Kidnapped Corpse
Book 1 of 4 in a cross-over event. This is Book 2 in the Titan Duplantier mystery series. Duplantier, a Phoenix homicide detective (introduced to us in #19 of this series) has transferred to NYC to help find the killer of several undercover cops. Evidence will eventually point to a serial killer known as 'Tim' being the main culprit.