User blog comment:Master Sima Yi/Assassinews 19-07-'13 — Assassin's Creed: Brahman announced/@comment-2.29.232.40-20130801182625/@comment-13471981-20130801190312

There's an image I've seen on the Wikia where Desmond gets dragged away in a body bag, with his hidden blades broken. Perhaps they mutilated his body while researching it for some purpose? They don't need a descendant to view an ancestor's memories anymore, so it can't be for that.