15 Most Infamous Criminal Cases in U.S. History

The Beltway Sniper Attacks

In the fall of 2002, terror struck the D.C. area as a pair of snipers randomly gunned down victims over three terrifying weeks. The worst day saw five people killed in one spree. After a massive manhunt, police caught Lee Boyd Malvo and John Muhammad. Muhammad was executed in 2009, while Malvo—only 17 at the time—was sentenced to life.