共きょう同どう正せい犯はん

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Meanings

1

joint principal offense; co-perpetration

Legal term: a crime committed by two or more people acting together, where each participant is treated as a principal offender.

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In the robbery case, the two were indicted as joint principals.

共きょう同どう正せい犯はんが成せい立りつするには、共きょう謀ぼうの事じ実じつが必ひつ要ようとされる。

For joint principal liability to be established, evidence of conspiracy is required.

共きょう犯はん
共犯 is a broader term for complicity or accomplice liability, while 共同正犯 specifically refers to co-perpetration where each participant is treated as a principal.
教きょう唆さ犯はん
教唆犯 is the crime of instigating or soliciting another to commit a crime, distinct from 共同正犯 where the offenders act together as principals.

共きょう謀ぼう共きょう同どう正せい犯はん
criminal conspiracy (participation in planning but not execution)

Compound of 共同 (joint, cooperative) and 正犯 (principal offense). The term is a legal concept used in criminal law.