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Metals can pose challenges while conducting forensic DNA analysis. The presence of metal ions in evidence‐related DNA extracts can degrade DNA or inhibit PCR as applied to DNA quantification (real‐time PCR or qPCR) and/or STR amplification, leading to low success in STR profiling. Different metal ions were spiked into 0.2 and 0.5 ng of human genomic DNA in an “inhibition study” and the impact was...