The accidental death of a young African American boy, shot by a cop, sparks a racial firestorm and inspires Hayes to re-examine the controversial case of Porscha Williams. Williams, a devoted African-American civil-rights activist and leader, is serving time for killing a white female cop at a race equality rally five years ago.

Wallace brings the case of a death-row inmate, Earl Slavitt, to the CIU. Earl was convicted of murdering federal prosecutor Tom Simon, one of Wallace’s best friends. Simon did not believe in the death penalty, and Wallace, along with Simon’s widow, want to ensure that Earl did in fact commit the crime. With only days left before the execution, the CIU team shifts into high gear, looking for possible errors in the case.