malefactor

警方逮捕了那名故意破坏公园设施的歹徒。

The police arrested the ___malefactor who deliberately damaged the park facilities.

公司的审计揭露了那名侵吞公司资金多年的案犯。

The company's audit uncovered the ___malefactor who had been embezzling funds for years.

目击证人认出了那名在半夜闯入仓库的歹徒。

The ___malefactor was identified by witnesses who saw him break into the warehouse at midnight.