Her crimes were enabled by a social gap — illegitimate children whose mothers paid for discreet care had few protections and left little trace. Operating as a professional caretaker across seven years, Overbye turned a position of trust into systematic killing, with the true number of victims remaining uncertain due to the care she took in disposing of remains.

McVeigh carried out what was, at the time, the deadliest act of domestic terrorism in American history — a premeditated strike on a federal building in Oklahoma City that killed 168 people, among them 19 children in a daycare center. His radicalization followed military service in the Gulf War and deepened through his interpretation of events at Ruby Ridge and Waco, which he framed as justifications for violence against the federal government. What distinguished him was not impulsiveness but deliberate planning, ideological conviction, and the belief that mass casualties constituted a legitimate political act.

What Castro carried out unfolded over more than a decade within an ordinary house on an ordinary street, a sustained captivity that the legal system ultimately captured in nearly a thousand criminal counts. The case drew attention not only for the duration of the imprisonment but for the conditions endured within it, and for the fact that three women were held within a residential neighborhood without detection for years. The escape in 2013, initiated by Amanda Berry, ended a confinement that had begun as far back as 2002.