Don't Open the Door (S10E07)

On Christmas Eve in 2010, a woman in Texas receives a cryptic phone call while at work, prompting her to rush home. Upon arrival, she discovers that her 12-year-old son has vanished without a clue. As investigators delve into the case, they scrutinize the people in the boy's life. However, it is only through reviewing surveillance footage that they begin to uncover the chilling truth behind his disappearance.