This review represents the fifth in an annual special feature in Police Practice and Research: An International Journal. It provides a cross-sectional analysis of the police literature for 2004, with a focus on the substantive categories, publication medium, and methodological typology of such literature. This paper also comments on reviews of years past, using the findings of Beckman, Lum, Wykoff, & Larsen-Vanderwall (2003) as a basis for the discussion of the patterns of the aforementioned characteristics over time. A topically organized bibliography of the 2004 police literature reviewed is provided.