Figure 1: Illustrative image of the instruments and surfaces used: 1. CD; 2. Photograph; 3. Checks; 4. Printed cardboard; 5. Reflective glass; 6. Ultraviolet flashlight; 7. Photoluminescent powders; 8. Magnetic applicator

Figure 2 and 3: Fingerprints developed with phosphorescent powder (left) and with fluorescent powder (right), without using ultraviolet filter (above) and using the amber lens (below)

Figure 4 and 5: Reflectance generated in fingerprint developed with phosphorescent powder (left) and fluorescent powder (right), using ultraviolet filter

Figure 6: Fingerprint developed with phosphorescent powder once the ultraviolet light source has been turned off

Figure 7 and 8: Prints developed with phosphorescent (left) and with green fluorescent (right), without using ultraviolet filters (above) and with ultraviolet filter (below)

Figure 9: Fingerprint developed with phosphorescent powder (left) and with fluorescent powder (invisible, on the right) once the light source has been turned off

Figure 10: Fingerprint developed with phosphorescent powder (enlargement of the previous figure)

Figure 11: Fingerprints developed with phosphorescent (above) and fluorescent (below) without using ultraviolet filters

Figure 12: Fingerprints developed with phosphorescent powder (top) and with fluorescent powder (bottom), using an amber lens as ultraviolet filter

Figure 13: Detail of fingerprints developed with phosphorescent powder using ultraviolet light without filter (left), with ultraviolet filter (middle) and with ultraviolet light turned off (right)

Figure 14: Detail of fingerprints developed with fluorescent powder using ultraviolet light without filter (left) and with ultraviolet filter (right). No contrast was visualized when the light source was turned off

Figure 15: Detail of fingerprint developed with phosphorescent powder using ultraviolet light without filter (left), with ultraviolet filter (middle) and with ultraviolet light turned off (right)

Figure 16: Detail of fingerprint developed with fluorescent powder using ultraviolet light without filter (left) and with ultraviolet filter (right).No contrast was visualized when the light source was turned off

Figure 17 and 18: Fingerprints developed with phosphorescent powder (left) and with fluorescent powder (right), without using ultraviolet filters (above) and with ultraviolet filters (below)

Figure 19: Fingerprints were developed with phosphorescent powder (left) and with fluorescent powder (invisible, on the right) once the light source has been turned off

Figure 20 and 21: Fingerprints developed with phosphorescent powder (left) and with fluorescent powder (right), without using ultraviolet filter (above) and with ultraviolet filter (below)

Figure 22: Detail of a fingerprint developed with phosphorescent powder using ultraviolet light without filter (left), with ultraviolet filter (middle) and with ultraviolet light turned off (right)

Figure 23: Comparison of fingerprint developed with phosphorescent powder (left) and fingerprint developed with fluorescent powder (right), both using ultraviolet light with filters