Mega Edition: Bryan Kohberger And His Challenge Of The IGG Evidence (8/20/26)
Bryan Kohberger’s defense had been positioned to mount a constitutional challenge to the investigative genetic genealogy, or IGG, techniques authorities used after DNA was recovered from the knife sheath found beneath Madison Mogen’s body. Investigators had developed a male DNA profile from the sheath and used genetic genealogy to search for relatives of the unknown contributor, eventually building a family tree that helped point investigators toward Kohberger. The process raised questions among legal scholars about whether law enforcement’s use of genetic information submitted by people to…
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