Evening. Well see you in half an hour at 6 00. Tonight, breaking news. The showdown between the u. S. And iran. After iran shoots down a u. S. Navy drone. Tonight, right here, the new u. S. Surveillance showing the massive 100 Million Drone as big as the wingspan of a 737, plummeting from the sky. Hit by the iranians, they say it was in iranian airspace. The u. S. Says thats not true. And tonight, President Trump now saying maybe iran made a mistake. That it could have been someone, quote, loose and stupid. And breaking now as we come on the air, what were now learning after an Emergency Meeting in the Situation Room. Martha raddatz and mary bruce standing by live. The stunning turn tonight in the War Crime Trial of a former navy s. E. A. L. , accused of murdering a prisoner. A fellow navy s. E. A. L. Taking the stand today and telling the court, i was the one who
murdered the prisoner. The courtroom shocked, prosecutors yelling. Were tracking a major storm system up and down the east
facebook posts and messages that encouraged violence. and it turns out philadelphia isn t the only major city investigating tonight. abc s whit johnson from philly. no justice no peace! reporter: tonight, growing outrage at philadelphia s city hall. we will not have racist police patrolling our streets. reporter: 72 of the city s police officers taken off the streets and placed on administrative duty, under investigation for allegedly posting offensive and racist statements on social media. it makes me sick, to be honest with you. it really makes me sick, because we are in a position to know better. reporter: the controversial posts exposed by a group called the plain view project, which compiled the facebook activity of hundreds of individuals they identified as officers in eight u.s. cities. comments like death to islam. others promoting violence, one meme saying, i ll just shoot you and be done with it. and multiple references to the confederate flag. the more