"The state security police are claiming that he went to Hong Kong to 'study,' which likely refers to [alleged] training by hostile foreign forces," the person said, adding that they had also questioned people about whether Ou had received money from anyone while he was in the city.
"Going to collect money also points [in their minds] to collusion with hostile foreign forces," the person said. "There's not much a rights activist can do when they decide they are going to charge you with that kind of thing."