Overview
- His death by euthanasia in Namur was confirmed to AFP by his lawyer on Tuesday, September 22, 2026.
- Denis said his health collapsed after a July 17, 2023 inguinal hernia operation that placed a polypropylene mesh and left him severely disabled.
- He was diagnosed with encephalomyelitis myalgica and reported ASIA-like inflammatory problems, and he formed a victims' collective that gathered hundreds of similar complaints.
- A Paris criminal inquiry was archived in August for lack of evidence tying the implant to his illness and his lawyer filed a new civil complaint in mid-September seeking further investigation.
- His consultations with three Belgian doctors preceded the euthanasia and he published a farewell letter condemning the medical care he received while asking others not to judge his decision; the case spotlights cross-border access to assisted death and renewed scrutiny of hernia implants.