Marta Méndez Cross

The BAU is called to investigate a series of homicides in which cryptic messages are found inside the mouths of the victims.

Elliot fears the worst after hearing the testimony by Detective Gomez's wife at his malpractice trial; Rox tries to connect with Willis, but he pushes her away; Leanne attempts to comfort Ariel in the wake of a devastating loss.

Nancy and Esteban have scheduling problems. Celia has become addicted. Nancy catches Silas and Lisa. Andy catches Shane masturbating with photos of Nancy. Cue Nancy giving the boys an uncomfortable lecture. Mexicans celebrate El Andy.

When the Deputy Mayor's dead body falls from the ceiling, along with hundreds of balloons, at a charity fundraiser, Stella and her date find themselves in the middle of the crime scene and Mac goes head to head with Robert Dunbrook.