Eli5: cops waiting for DNA results

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I’m watching Dateline and this suspect left a police interview and committed another murder. The first cops couldn’t arrest him because their evidence was all circumstantial. While they are looking for him now, the voiceover says DNA results are still not back. At this point it’s been several weeks. So Eli5 – DNA results: wtf takes so long?

Is there only one machine in the world? Can’t they move murder cases to the front of the line? Does the DNA fairy only come once a month? Does DNA take 500 hours to marinate? Can the cops buy another DNA machine? Do we need a GoFundMe?

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9 Answers

Anonymous 0 Comments

For starters, a geneological DNA test can take 4-8 weeks to process from the time they receive your sample. However, the police are often working with trace samples which are harder to anaylse than cheek swabs, and since you could potentially send an innocent person to the chair if you mess up, the testing standards are much higher.

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