Georgia sentences Hilton to life; now Florida tries him for killing Cheryl Dunlap. We reveal his childhood and meet others who vanished; are they his victims too? We end with investigators talking about Meredith's legacy and how the case affected them.

An Alaska barista goes missing; cash is gone and surveillance video shows her walking away with a man. A text from her phone says she needs time away to think, but her dad is suspicious. Was she abducted? Police aren't sure – until a ransom note arrives.

After a deposit to her account, the missing barista's ATM card makes a withdrawal. Video shows a masked man in a white Ford. A cop stops the car and finds her ATM card and phone, but no girl. Where is she? The man is arrested – but what has he done with Samantha?