In criminal law. A person who knowingly, voluntarily, and with common intent with the principal offender unites in the commission of a crime. Clapp y. State, 94 Tenn. 186, 30 S. W. 214; People v. Bolanger, 71 Cal. 17, 11 Pac. 799; State v. Urnble, 115 Mo. 452. 22 S. AV. 378 ; Car-roll v. State, 45 Ark. 539; State v. Light, IT 6r. 358, 21 Pac. 132