U.S. lawmakers used a House hearing to warn that AI-driven tools are lowering barriers to biological misuse, including the ability to search, organize, and analyze dangerous biological information that could be weaponized. Rep. Rick McCormick (R-Ga.) highlighted concerns that emerging capabilities increase the risk surface even as AI supports legitimate biotech productivity. The hearing also cited examples raised by witnesses, including research claims involving biological AI models trained to generate functional viral genomes from scratch, producing sequences that yielded viable, infectious viruses. The regulatory and policy takeaway is focused on balancing innovation with biosecurity guardrails and oversight capacity, with lawmakers framing the issue as an urgency for the U.S. to maintain leadership while managing misuse risk.