Reactions pour in for North Texas officer killed in shooting WFAA.com1 Dallas police officer killed; 2 others hurt in Oak Cliff shooting FOX 4 News Dallas-Fort Worth3 Dallas police officers shot, 1 killed, after finding officer shot in marked squad car CNN1 police officer shot and killed, 2 others wounded in Dallas shooting ABC NewsDallas officer killed in shooting: Here’s what we know The Dallas Morning News