In 1968, the Zodiac Killer emerged as a notorious figure in Northern California, responsible for the murders of at least five individuals. The killer's taunting letters and ciphers sent to local newspapers captivated public attention and instigated widespread fear. This case not only highlighted issues of crime and law enforcement but also became a cultural phenomenon, inspiring numerous films, books, and discussions about unsolved mysteries and the psychology of serial killers.

The Zodiac Killer attacks in 1968 inspired a wave of cryptic poetic responses, notably in the works of contemporary poets like Anne Waldman. These explorations of identity and media reflect the cultural anxieties of the era, merging crime with artistic expression.