Dallas police shooting suspect: Here's what we know about White Power

DALLAS - Dallas police have identified the suspect who shot and killed an officer and injured two others on Thursday night Police say the 30-year-old "executed" Officer , while he was sitting in his marked police car outside the nonprofit For Oak Cliff. Police say they have no evidence that they knew each other.https://www.fox4news.com/news/dallas-police-shooting-suspect-corey-cobb