shooting plots foiled. three men in three states have been taken into custody for allegedly threatening or expressing interest in mass shootings. how are police and the fbi able to stop them. and absurd. that is what denmark prime minister calls president trump's desire to buy greenland. the world's biggest island may not be for sale but it is melting. we're going to show you the shocking impact of the cliemts crisis there. wolf blitzer is off. i'm brianna keeler, you're in "the situation room". >> announcer: this is cnn breaking news. >> five years after he was accused of fatally chokingash garner, new york police officer daniel pantaleo has been fired and will not receive his pension after a disciplinary hearing which he was found guilty of using a chokehold on garner. garner's final words, i can't breathe, were a rallying cry for the black lives matter movement