good cop bad cop

Noun

 * 1) A psychological tactic used for interrogation, involving one police officer playing the role of intimidating adversary, and another that of friend with whom the subject is encouraged to bond.
 * 2) An analogous negotiation or interrogation tactic.

Translations

 * Chinese:
 * Mandarin: 一個唱紅臉，一個唱白臉／一个唱红脸，一个唱白脸, 红脸白脸
 * Finnish: hyvä poliisi, paha poliisi
 * French: méchant flic, gentil flic, bon flic, mauvais flic
 * German: guter Bulle, böser Bulle
 * Greek: καλός και κακός αστυφύλακας
 * Polish: dobry i zły glina, dobry i zły policjant
 * Spanish: poli bueno poli malo