It is revealed that Lucifer doesn't have to speak a specific question or request for his power to work. He is able to compel an incriminating statement out of the killer by merely looking at her.
The title is said by Chloe Decker and Lucifer.
This isn't Michael Welch's (Kyle Erikson) first time dealing with the supernatural. He was previously in the Twilight (2008) franchise, where he starred as Mike Newton.