An argument between a couple ends with a woman stabbing her boyfriend.
It happened Thursday just after 9 p.m. in the 300 block of Army Boulevard.
Police say the couple was arguing, then the woman pulled out a pocket knife and stabbed the man twice in the chest.
He was taken to San Antonio Military Medical Center in critical condition.
The woman -- who has not been publicly identified -- faces charges of family violence and assault with a deadly weapon.