if convicted, lieutenant william callie, one of the american soldiers who was there of premeditated murderh of 22 south vietnamese. >> william callie commanded the unit that went into my lai, a village that was supposedly harboring vietcong troops. >> we were ferried in by helicopters. we led on the outskirts of the village. we came across some people in the village as i have in one photograph. you can see in the expressions of their faces before they're about to be shot, especially the small child on the left and the one small boy not realizing what is about to happen. >> in the spasm of violence, hundreds of people are killed, all of them civilians. this unit from the americal division lost it. they said, we just felt like we were killing vermin. they'd pull the trigger by somehow tricking themselves to think that they're not killing a human, they're killing an animal. the captain and lieutenant callie did not do anything to stop them. they had lost it themselves. it was a complete failure. >> the white house is acutely aware that the my lai scandal could bring about a disastrous witheri