嫌犯 (xiánfàn) means "suspect" or "suspected criminal." It is a shortened form of 嫌疑犯 and is commonly used in news reports and legal contexts.
警方正在全力搜捕那名嫌犯。
Jǐngfāng zhèngzài quánlì sōubǔ nà míng xiánfàn.
The police are doing everything they can to hunt down the suspect.
嫌犯已经被警察带回局里接受审讯了。
Xiánfàn yǐjīng bèi jǐngchá dài huí jú lǐ jiēshòu shěnxùn le.
The suspect has already been taken back to the station by the police for interrogation.
目击者提供的线索帮助警方锁定了嫌犯。
Mùjīzhě tígōng de xiànsuǒ bāngzhù jǐngfāng suǒdìng le xiánfàn.
Clues provided by the eyewitness helped the police identify the suspect.