The team wonders if a drug dealer who leads a violent gang is responsible for his sister's abduction.

The team searches for a grieving mother who believes her son was tortured and possibly killed while doing volunteer work in Guatemala.

When an 18-year-old and her father go missing, the team wonders whether his job cleaning up after crime scenes is a factor in their disappearance.

The kidnapping of a toddler adopted from Sudan leaves detectives wondering whether the crime is connected to his parents' celebrity or the child's native land.

The team searches for a teenage girl whose mother thinks she fell prey to a neighborhood drug dealer; Jack must decide how to protect Elena from her vindictive ex-husband.

The team searches for a girl who disappeared during her prom after leaving the festivities to rest in her hotel room upstairs.

When the team investigates a divorce-court judge's disappearance, their suspects include a list of husbands against whom he had ruled in recent cases.

The team searches for a stuntman who vanished from a film set shortly after completing a dangerous stunt.

When an interracial couple's son is kidnapped, the team wonders if his white-supremacist paternal grandfather (Chad Everett) could be involved.

Samantha tries to search for her missing sister using just the local police department's help, but Jack insists on the team getting involved when he learns of the abduction.