Former FBI agent Candice DeLong rethinks the case of The DC Sniper and the complicated relationship between the two murderers who terrified the nation in October 2002. She explores the notion that for every predator, there is a perfect victim -- and pieces together how 17 year old Lee Malvo was that victim for John Muhammad, a divorced father embroiled in a contentious custody battle whose anger fueled a homicidal spree that left 10 innocent people dead.