単たん独どく正せい犯はん

noun

acting alone in committing a crime; sole perpetrator

Legal term referring to a person who commits a crime by themselves, without accomplices. Used in criminal law contexts.

• この事じ件けんは単たん独どく正せい犯はんによるものと判はん断だんされた。

  It was determined that this case was committed by a sole perpetrator.