When he heard police arrive at Sandy Hook Elementary School, a "gun free zone," Adam Lanza ended his murder spree by killing himself.
Days earlier, in Portland, Ore., Jacob Roberts had slain two at the Clackamas Town Center mall. When a licensed gun owner pointed a pistol at him, Roberts likewise killed himself.
James Holmes murdered 12 at the Aurora Century movie theater in Colorado, another "gun free zone" that prohibited armed security personnel. Holmes surrendered when police showed up.
Rampaging gunmen seek victims at places where they expect no immediate resistance. They continue their evil deeds until they are no longer in control due to the intervention of armed defenders. Then, they typically seek to remain in control by taking their own lives.
Read the article: The Kansas City Star