Correct

扣审

/ kòu shěn / 
Strokes

Example

As a Verb

detain and interrogate

1
Liǎng
两
míng
名
xiányífàn
嫌疑犯
yǐ
已
bèi
被
gōngānjú
公安局
kòushěn
扣审
  
。

Two suspects have been held and interrogated by the public security bureau.