Fig. 9From: A chronological study of gunshot residue (GSR) detection techniques: a narrative reviewNumber of particles characteristic of GSR as a function of time after shooting with low-caliber ammunition: 7.65 × 19 mm blue line, 9 × 19 mm red and orange line, and 7.65 × 17 mm green and gray line, carried out during (A) the winter season and (B) the summer season: reprinted from (Tahirukaj et al., 2022)Back to article page