There is many advantages of using Posttraumatic Stress Disorder (PTSD) over Batter Woman Syndrome (BSW) and Rape Trauma Syndrome (RTS). For example the BWS focus on a three phase abuse system; tension building, acute battering, and contrition (Costanzo, M, & Kraussr, pg.215).In the legal setting when a woman used the BWS as self-defense reason for the death of lover, they used a 3 step criteria to determining if the death was reasonable. First being imminent bodily harm, reasonable and proportional to the danger that existed, and no reasonable avenue escape exited. Although this seems like a pretty fair assessment to measure the right to kill for protection. But, statistic shows that the jurors are harsher to woman who kills their abuser.