Monthly Archives: May 2007

09 May

>Energizer Flashlights with Red and Blue Lamps for Blood Tracking

Steven K. Ledin,

Curious and without first-hand experience tracking blood with anything other than white light, I conducted an experiment to see if colored lamps would help. I used a new Energizer Hard Case Tactical LED Infrared Night Vision flashlight for my testing. Certain manufacturers have been touting blue lamps, or a combination of blue and red lamps for trailing blood. I started the experiment by draining the blood off a three pound package of ground beef into one of two cognac glasses, being careful not to sip from the wrong one. I let it sit until room temperature and poured some out …