Perimeter Security Culli News Today

>> reporter: yeah, i mean, when i was at the apt, i could hear gunfire then. this appears to be the most significant security instance weve heard so far since this crisis. about 4:00 a.m., a sniper appears to -- im told by a source familiar with the situation, a sniper fired on to the base and hit one of the afghan security forces that are assisting the americans in perimeter security culli -- killing that afghan soldier. they fired in the general direction but two were u.s. marines. everyone ha...