20 Laws Passed in the Wake of a Horrific Act Committed by a Single Person

In 356 B.C., Herostratus set fire to the Temple of Artemis in Ephesus, apparently because he wanted his name to be remembered forever. The city responded by sentencing him to death and forbidding anyone from speaking or writing his name, thereby attempting to deny him the fame he had sought at the cost of a crime against history.

Guy Fawkes was just one of the conspirators, but he became the symbol of the attempted plot to blow up King James I and Parliament in 1605. The failure of this plot led to the passage of laws such as the Act of Thanksgiving and stricter measures against recanting Catholics, thereby transforming a night marked by an attempted massacre into several centuries of official remembrance.

The Great Fire of London broke out in 1666 at a bakery on Pudding Lane owned by Thomas Farriner, although the exact cause of the fire remains uncertain. After the city was destroyed by the flames, Parliament adopted reconstruction regulations that steered London toward the use of brick and stone, the widening of streets, and a future less vulnerable to fire hazards. 

The murders committed by Burke and Hare brought to light a sinister trade in corpses in 19th-century Britain, where medical schools needed bodies and criminals supplied them. The Anatomy Act of 1832 regulated access to bodies intended for dissection, with the aim of eliminating the incentives that had made murder a profitable venture. 

When Representative William Graves killed Representative Jonathan Cilley in a duel in 1838, Congress could no longer regard dueling as a matter of honor belonging to the private sphere. The following year, it prohibited issuing or accepting a challenge to a duel in the District of Columbia, because public figures had turned a matter of private pride into a public issue. 

In 1843, Daniel M’Naghten shot and killed Edward Drummond, the private secretary to British Prime Minister Robert Peel, after apparently mistaking him for Peel. His acquittal on grounds of insanity sparked widespread outrage and prompted the House of Lords to establish a broader legal standard for criminal insanity.

In 1862, the assault on Member of Parliament James Pilkington helped fuel panic in London over violent street robberies. The Protection Against Violence Act, often referred to as the “Gorger Act,” reinstated flogging as a punishment for certain violent robberies—a harsh law born as much of fear as of political will. 

Charles Guiteau shot and killed President James Garfield after convincing himself that he deserved a government position. Garfield’s assassination exposed the patronage system as not only corrupt but also dangerous, and the Pendleton Act of 1883 shifted federal hiring toward competitive examinations, merit, and a little less political chaos. 

When Léon Czolgosz shot President William McKinley in 1901, the country had already lost Lincoln and Garfield to assassination. After McKinley’s death, Congress called for presidents to be placed under the protection of the Secret Service, and the agency quickly assumed this role, which today seems inseparable from the office of the presidency. 

The Iroquois Theatre fire, which occurred in Chicago in 1903, claimed the lives of hundreds of people in a building that had been touted as safe. Locked exits, inadequate signage, and faulty fire safety equipment contributed to turning an afternoon performance into a full-blown disaster, and the aftermath of this event led to reforms regarding emergency exits, anti-panic devices, and safety in theaters. 

The 1911 Triangle Shirtwaist Factory fire claimed the lives of 146 workers, many of whom were young immigrant women trapped by dangerous working conditions. New York responded by strengthening workplace safety and fire prevention regulations, thereby demonstrating that locked doors and ignored risks were not merely business practices, but also policy failures. 

The sinking of the Titanic was not caused by a single culprit, but it highlighted fatal arrogance, flawed communication protocols, and a glaring shortage of lifeboats. This disaster contributed to the passage of the Radio Act of 1912 and the first…

The kidnapping and murder of Charles Lindbergh’s young son turned a family tragedy into a national obsession. The federal kidnapping law, known as the “Lindbergh Act,” gave federal authorities the power to prosecute kidnappers across state lines, as criminals had learned to use state lines as a cover. 

In 1937, Sulfanilamide Elixir caused the deaths of more than 100 people after a company marketed an untested drug mixture containing a toxic solvent. The federal Food, Drug, and Cosmetic Act of 1938 granted regulatory authorities greater powers over drug safety, as the principle that a product was “technically legal” had proven to be a disastrous standard for public health. 

The Nuremberg Code was established following the Doctors’ Trial after World War II, during which Nazi doctors were tried for conducting brutal experiments on human beings. Its fundamental principle was simple and rigorous: no research can be ethical if the subject is deprived of consent, dignity, and free will.

The AMBER Alert system was created following the 1996 abduction and murder of Amber Hagerman, a nine-year-old girl, in Arlington, Texas. The media and police established this early-warning system based on a simple principle: when a child is abducted, every minute counts, and the public cannot afford to be informed too late.

The Brady Act on the Prevention of Handgun Violence was named in honor of James Brady, who was seriously wounded during the 1981 assassination attempt on President Ronald Reagan by John Hinckley Jr. Its background check system is based on the belief that buying a firearm should not be reduced to a simple, quick transaction and the hope that everything will turn out all right.

The Unborn Victims of Violence Act is also known as the “Laci and Conner Act,” named after Laci Peterson and the son she was carrying when she was murdered. This law recognizes the unborn child as a full-fledged legal victim in connection with certain violent crimes under federal jurisdiction.

David Berkowitz struck terror into New York City in the 1970s, then sparked a new fear: that murderers could sell their stories and profit from their crimes. The so-called “Son of Sam” laws sought to prevent this financial windfall and redirect the funds to the victims, even though the courts later had to grapple with the First Amendment issues these laws had raised. 

The Tylenol murders of 1982 suddenly sparked a sense of insecurity about ordinary bottles of medicine. After seven people in the Chicago area died from cyanide-laced capsules, Congress passed the Federal Anti-Tampering Act, which made tampering with consumer products a federal crime and helped popularize the use of tamper-evident packaging in everyday life.