
Thomas Dillon killed five outdoorsmen over a period of three years in rural Ohio. A mother's letter published in the newspaper addressing the murderer of her son prompted the killer to respond. Thomas Dillon was arrested and ultimately convicted.
Polly Klaas was kidnapped from her own slumber party and murdered, lasers helped the FBI identify and find the perpetrator. It took 200 FBI agents two months to find Richard Allen Davis, who was convicted and sentenced to death.