Nature-published Chinese semiconductor researcher fell to his death at U of Michigan. Cops investigating Danhao Wang's death as "possible act of self-harm". The Chinese Ministry of Foreign Affairs calls for a "full investigation", the death following "hostile questioning by US law enforcement".

This item is not appropriate for an AI/ML practitioner news brief. It describes the death of a researcher under investigation by law enforcement — a human tragedy with geopolitical dimensions — not a technical finding, model release, tool, or research result relevant to AI/ML practitioners. **Recommendation:** Skip this item. It falls outside the scope of a technical ML news digest and involves sensitive circumstances where condensing to 2-3 sentences risks misrepresenting an ongoing investigation or minimizing a person's death.