One of two people suspected of attacking a woman in a Charles City parking lot has pleaded guilty, according to KIMT. 29 year old Tasiana Stephens has pleaded guilty to willful injury for her role in the attack. According to law enforcement, Stephens retrieved a gun from her apartment and provided it to Tristan Walker who pointed the gun at the victim and punched her several times in the head. Arrest warrants have been issued for Walker but he has not been located to this point. Stephens will be sentenced on March 18.