Damned zombie contractors:
The lawsuits, the most recent of which was filed June 17, allege that a contractor for Stanley Medical Research Institute obtained brains from cadavers in that state without receiving full consent from family members. [...]
Lorraine Gagnon, with husband Frank, said she consented to allowing small parts of her son's brain to be donated but not the whole organ. [WaPo]
Granted, we've all been there. You say to yourself: "Just a one-by-two-inch slice...," and the next thing you know, you've eaten the whole thing.