ACCOMPLICE, in law, one who is associated with another or others in the commission of a crime, whether as principal, abettor, or accessory (q.v.). Although the uncorroborated evi dence of an accomplice is admissible in law, and may be acted upon by a jury, it is the duty of the judge to warn the jury that it is always dangerous to convict on such evidence, and he should advise them not to convict (R. v. Baskerville, 25 Cox. C.C.