<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.wamesema kwamba polisi imeanza uchunguzi kupitia kutazama picha za kamera za cctv ili kumnasa mmiliki wa kilipuzi hicho aliyedaiwa kutoroka.  <response>: police said they had used closed circuit tv footage to track down the extortionists. 