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248 points punnerud | 1 comments | 15 Mar 25 18:38 UTC | HN request time: 0s | source

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treetalker ◴[16 Mar 25 01:35 UTC] No.43376369[source]▶

From the abstract:

> Detectable levels of DNA were also observed in air and dust samples from ultra-clean forensic laboratories which can potentially contaminate casework samples.

Great news for criminal defense attorneys.

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moontear ◴[18 Mar 25 07:36 UTC] No.43396637[source]▶

>>43376369 #

How would that argument go? As far as I understand it, the DNA of the occupants of said lab may be found. That would mean that the criminal samples may also contain DNA of the lab occupants/scientists. Isn’t that the case currently as well and those DNA parts would be omitted?

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1. greenpresident ◴[18 Mar 25 08:04 UTC] No.43396769[source]▶

>>43396637 #

That would ideal, yet we still got things like this:

https://en.wikipedia.org/wiki/Phantom_of_Heilbronn

Woman at a cotton swab factory was identified after being considered a serial killer.

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Extracting DNA from the air – DNA evidence of human occupancy in indoor premises