WACO, Texas (KWTX) - A woman claimed she stabbed her friend's disabled son in self-defense after an altercation, according to an arrest affidavit.

On Sept. 16, a Waco police officer was dispatched to the 2000 block of 21st Street around 7:34 p.m. Upon arrival, the officer encountered the caller, Charlotte McMillon, who was still in her vehicle.

McMillon told the officer "she had done it out of self-defense," the affidavit states.