Brant Cotton

When a body of a murdered marine is found in the forest, the investigation leads to the local militia and a weapon deal gone wrong.

As Greene's medical problems reappear, Corday lives in a hotel room with the baby, angry at Greene for the way he dealt with Rachel (recurring guest star Hallee Hirsh) following the infant's overdose. Greene treats a father, Ian Nevinger (Brant Cotton), who severely burned himself while experimenting with illegal drugs. With the patient's life in immediate jeopardy, Greene is further tormented by Ian's refusal to let his family see him in his horrific condition.

In part two of the two-part season finale, as the team intensifies their quest to find the person behind the 2005 slaying of a female cadet, the stakes of the case are raised when the unknown killer commits a shocking act against Rush designed to thwart the investigation.

The team investigates the 1958 murder case of a newlywed Ivy League graduate, Julian Bellowes, who spearheaded the lucrative concept of developing suburban communities with affordable housing outside of Philadelphia. New evidence indicates he may not have been killed where his body was found.

A case exposes a link between a Mexican drug cartel and a terrorist.

David's radio persona gets flack-and ratings. Matt tries to overturn a death sentence for a rapist-murderer and the after-hours club attracts the wrong attention.