expression, godan verb (-mu)
obtain evidence; get proof
Used when someone secures concrete evidence, often after effort or investigation. The verb 掴む implies grasping or seizing something tangible.
警察はついに犯行の証拠を掴んだ。
The police finally obtained evidence of the crime.
内部告発者が不正の証
The whistleblower got hold of evidence of the wrongdoing.