American criminologist Paul Kirk published his landmark analysis of bloodstain evidence in the Sam Sheppard murder case in Cleveland, Ohio, in 1955, providing what is considered the foundational work in bloodstain pattern analysis as a forensic discipline. Kirk demonstrated that the pattern, shape, and distribution of bloodstains could establish the mechanics of a crime and potentially identify the attacker. His methods established the scientific basis for bloodstain pattern analysis that became a standard forensic tool worldwide.

The Sam Sheppard case, to which Kirk's work was central, became one of the most celebrated miscarriage-of-justice narratives in American legal history, later dramatised and fictionalised extensively. It inspired the television series The Fugitive and contributed to a genre of crime writing exploring the gap between visible evidence and truth. Bloodstain analysis as literary device — the crime scene as legible text — reflects the broader forensic reading culture that shapes both crime fiction and documentary crime writing.