The unsub subdues victims using venom from an Eastern Brown Snake , which incapacitates them without killing them.
In a refreshing twist, the unsub is revealed to be a woman, (played by Doris Morgado). Desi’s rage is fueled by a deep-seated "mother wound." Her mother, Laura, a successful realtor, was physically and emotionally abusive, famously locking Desi in a shed with snakes as a child. [S13E7] Dust and Bones
While the case was the main course, "Dust and Bones" gave us some fantastic character moments: The unsub subdues victims using venom from an