A Dallas police officer helps tighten security at their headquarters after receiving an anonymous threat against law enforcement across the city, Saturday, July 9, 2016, in Dallas. Five police were killed and several injured during a shooting in downtown Dallas Thursday night.
A Dallas police officer helps tighten security at their headquarters after receiving an anonymous threat against law enforcement across the city, Saturday, July 9, 2016, in Dallas. Five police were killed and several injured during a shooting in downtown Dallas Thursday night. Eric Gay Associated Press
A Dallas police officer helps tighten security at their headquarters after receiving an anonymous threat against law enforcement across the city, Saturday, July 9, 2016, in Dallas. Five police were killed and several injured during a shooting in downtown Dallas Thursday night. Eric Gay Associated Press

Minnesota, Louisiana, Dallas and the nation’s long, ongoing struggle with race

July 12, 2016 08:30 AM