Correct

究诘

/ jiū jié / 
Strokes

Example

As a Verb

try to get to the heart/root of a matter

1
Fànzuì
犯罪
xiányírén
嫌疑人
shòudào
受到
jǐngfāng
警方
jiūjié
究诘
  
。

The suspect was cross-examined/interrogated by the police.