The pickpocket was caught in the actual commission of a crime.这扒手是在一次作案时被当场捉住的。If a person uses a gun in the commission of a crime, then he should be given an additional penalty.如果使用枪支进行犯罪，就应该受到额外的惩罚。He was indicted for the commission of a crime.他因犯罪而被控告。