The man who held three young women hostage for a decade in his Cleveland home is set to speak. Ariel Castro is expected to address the court at his sentencing tomorrow. He pleaded guilty to more than 900 counts. A plea deal took the death penalty off the table, but he will likely spend the rest of his life behind bars. CNN's Pam Brown takes a closer look at what to expect from tomorrow's hearing, including potentially dramatic testimony from one of the freed captives.