Question

The detection of significant levels of _____________ on the back and thumb web of the deceased's firing hand indicates that the deceased discharged a firearm.
A. Primer oilB. Primer residueC. Cleaning fluidD. Black powderE. Lighter fluid

Answer 1

Answer:

correct option is B. Primer residue

Explanation:

correct answer is Primer residue because primer residue are form from the ignition of the chemicals in primer when the firearm is  discharge

and the result in formation of microscopic particle that is blown out of various  opening in weapon when this weapon is discharge

and this primer residue is deposit on hand as firing weapon and hand weapon

but in the absence of primer residue on hand it is consistent with individual not have fire

so correct option is B. Primer residue