Alternate Light Source Fingerprint

If we are fortunate enough that the print is on a smooth surface we start by holding the light source at a 45 degree angle.

Alternate light source fingerprint.

Available in several styles with or without removable heads rechargeable and battery operated. Other uses of alternate light sources indeed many forms of physical evidence will fluoresce. Red green orange pink yellow gold blue are the most common. Let s go back to the example of the bloody fingerprint.

Based alternate light source designed specifically for use in forensic applications. Laboratory lasers are high power but also have the highest price and they lack versatility. Alternate light sources alternate light sources are typically used in crime scene investigation to identify many forms of evidence. Seminal fluid saliva and urine stains.

Although blood does not fluoresce certain other physiological fluids will. Finger and palm prints are nearly invisible on such metal surfaces when examined under room light. Of all the classes of alternate light sources. Physiological fluids semen urine and saliva can be identified through their natural fluorescent properties utilizing uv light.

Shop our extensive line of handheld forensic alternate light sources. Forensic light sources are high power. All examples below are using the crimescope cs 16 500w. Leds are lowest in price but also lowest in power and they lack versatility.

Fluorescent powders are used widely as the primary method of fingerprint treatment at crime scenes when using a forensic or alternate light source. Rofin lumatec ultralight labino and fox fury brand available. Also certain narcotics will fluoresce as will bone and teeth fragments. When light reflects off a rough surface we refer to it as diffused reflection.

But when viewed under a green light and observed through an orange filter the prints can easily be seen. When light reflects off a smooth surface we refer to this as specular reflection. Uv alternate light sources can reveal the following.