jǐng / fāng / jīng / guò / diào / chá / zhōng / yú / suǒ / dìng / le / zhè / qǐ / àn / jiàn / de / àn / fàn警方经过调查,终于锁定了这起案件的案犯。After investigating, the police finally identified the offender in the case.