Detecting Bruises With Alternate White Light and Alternate Light

Examples of bruises on different skin colors observed 30 minutes (Visit 1) and four weeks (Visit 21) after bruise
induction. Digital images taken using Canon T6i SLR with 50 mm fixed lens F2.2 ISO 400 with variable shutter
speed and yellow filter.

Source: Scafide KRN, Sheridan DJ, Downing NR, Hayat MJ. Detection of Inflicted Bruises by Alternate Light: Results of a Randomized
Controlled Trial. J Forensic Sci, July 2020;6(4):1191-1198. doi: 10.1111/1556-4029.14294