The Best Episodes Written By Alan Page Arriaga

Kirby and Dan look to the past, uncovering multiple cold cases with puzzling similarities. Harper takes a dangerous new interest in Dan.

A fresh lead sparks a breakthrough in the story. After Kirby drops a bombshell on Marcus, she goes to help a new friend.

While Hank leads the search for Clark, Prior asks Danvers about the murder-suicide case that drove a wedge between her and Navarro. Then, Navarro and Danvers seek out a local hairdresser for insight on Annie -- which leads to a tip.