2 sentences

1. 警方成功破获了一起跨国诈骗案。

   jǐng​fāng chéng​gōng pò​huò le yī qǐ kuà​guó zhà​piàn'àn.

   The police successfully cracked a transnational fraud case.

   Source: Dong Chinese Dictionary

2. 公安机关决定对这起合同诈骗案立案侦查。

   gōng'ān jī​guān jué​dìng duì zhè qǐ hé​tong zhà​piàn'àn lì'àn zhēn​chá.

   The public security organs decided to file a case for investigation into this contract fraud.

   Source: Dong Chinese Dictionary