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Steve Inskeep talks to Dr. William Reid, who's spent time with the man who killed 12 people at a movie theater in Aurora, Colo. He explains the extent to which mass shooters share personality traits.

Donald Trump accepted the Republican nomination for president Thursday night, delivering a speech that lays out America's struggles with crime, terrorism and immigration and how he plans to address them.

NPR's politics team has annotated Trump's speech below. Portions we commented on are highlighted, followed by analysis, context and fact check in italics.

Thank you, thank you. Thank you very much.

Friends, delegates and fellow Americans: I humbly and gratefully accept your nomination for the presidency of the United States.

Three law enforcement officers were killed and three others were injured in Baton Rouge, La., when a suspect fired on officers outside a convenience store.

This comes less than two weeks after a gunman opened fire on police at a protest in Dallas, killing five officers.