Torrentfreak has an articel about a Belgian hacker being followed and spyed on by Nintendo.
Leaked Nintendo documents have revealed a frightening surveillance operation carried out against a hacker who was researching exploits for the 3DS handheld. In addition to monitoring his private life, including aspects of his education, when he left the house and where he went, the company followed its target from his place of work in order to pressure him into stopping his activities.
Via Torrentfreak