I'm very sorry to hear of his devastating injuries but it sounds like they are the poster couple for reasons NOT to try to domesticate chimps and other critters.
>> "This is the couple that was visiting the sanctuary to see their former "pet" that had attacked someone (a child I think), right?" <<
Not exactly. If I remember correctly, it was a woman who had long red fingernails and who was feeding something to the chimp. The chimp thought the fingernail was candy or something , and bit a finger off.