Of course, you're right. Capuchins are miniature chimps temperamentally - far too clever to be "nice". They are capable of giving somebody a very nasty bite indeed.
One again, this place just has me totally lost for words...
Considering that if this animal did indeed manage to leave the grounds of the zoo, it wouldn't even be within the first half-dozen species to have done so, I fear the local authority have already proven themselves toothless in this regard