1911 Triangle factory fire : building safety codes
1915 chloroform killer : medical examiners
1932 Lindbergh kidnapping and Dillinger robberies : federalization of criminal law enforcement
1937 sulfanilamide crisis : drug safety
1956 NYC mad bomber : criminal profiling
1957 Mafia Commission Apalachin meeting : Racketeer Influenced and Corrupt Organizations Act (RICO)
1962 Harlem heroin epidemic : war on drugs
1964 Genovese murder witness scandal : 911 emergency system
1965 Watts riots & Texas sniper : SWAT and the militarization of police
1967 Calabrese intimidation : WITSEC
1969 Santa Barbara oil spill and Cuyahoga River fire : Environmental Protection Agency
1972 TWA bombing and hijackings : airport security
1980 killing of Cari Lightner : drunk driving
1981 Reagan assassination attempt : insanity defense
1983 Beirut barracks bombing : internationalization of the FBI
1983 Thurman beatings : domestic violence
1986 Leicestershire murders : DNA
1989 Schaeffer stalking murder : stalking offense
1993 Polly Klaas abduction : three-strikes sentencing
2001 9/11 attacks : War on terror
2001 Enron scandal : financial crimes.