The perfect crime is what all criminals aspire to, and though there have been many, they are extremely rare. Examples of “perfect crimes” include: The Black Dahlia murder, the Zodiac murders, the Tylenol scare in the 1980s, the murders of rappers Tupac Shakur and The Notorious B.I.G., the Diane Suzuki murder in Hawaii and D.B. Coopers surprising and spectacular hijacking of a plane. In all of these criminal events, the culprit(s) was never caught. Read on to find out what were some of the most brazen crimes in history; some perfect, others not so perfect.