Two elements detected on the hands of an individual who has recently fired a weapon are:

Name: Two elements detected on the hands of an individual who has recently fired a weapon are:
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Barium and antimony are commonly detected on the hands of individuals who have recently fired a weapon due to their presence in some ammunition. This combination is often used as a marker of gunshot residue. The other options may also be present in firearm discharge residue but are less commonly used as markers.

Two Elements Detected on the Hands of an Individual Who