[s13e6] On Dangerous Ground ✦ Validated

The victims are kept in a hidden underground bunker. Agents Reid and JJ eventually locate the bunker on a suspect's land and must rescue the survivors while trapped inside.

This is a seminal film noir directed by Nicholas Ray, often cited for its unique two-part structure. [S13E6] On Dangerous Ground

A blind woman living in isolation who protects her mentally ill brother, the suspected killer. The victims are kept in a hidden underground bunker

Features the regular series cast, including Matthew Gray Gubler (Reid) and A.J. Cook (JJ). Option 2: On Dangerous Ground (1951 Film) [S13E6] On Dangerous Ground