In 1899, Ghent, Belgium, became the first city to officially deploy police dogs for law enforcement purposes. This innovative practice involved using trained dogs for tracking and patrol, enhancing the effectiveness of police work. The introduction of police dogs marked a significant advancement in law enforcement techniques, influencing practices globally. The use of canines in policing has since become a standard approach, highlighting the evolving nature of crime prevention and public safety.

The first use of police dogs in law enforcement in 1899 added new layers to metaphors of pursuit and loyalty in crime literature. Poets began to explore the instinct versus civilization theme, reflecting societal tensions and the complexities of justice in their works.