The Kizazi Murders - Alex Landon Crime Series, #7

The next generation always has something to prove. From the moment Detective Alex Landon stepped into a horrific murder scene, he knows they're chasing a depraved serial killer. Fifteen hours later, a second murder reveals the killer's motive and, more importantly, identifies the next six potential victims. With time running out before the next scheduled killing, Alex and his team risk their lives to outwit a brilliant killer who spent years planning to succeed and escape.
Before the sun rises again, Alex will have to choose between saving his own life and everyone he holds dear.