Civil Rights Groups Calling For Independent Investigation Into Murder Of Guyger Key Witness

The NAACP is calling for an independent investigation into the murder of a key witness in the Amber Guyger murder trial. The Dallas Police Department is investigating the fatal shooting of Joshua Brown and has not named a motive or suspect. The NAACP says the murder of Brown was deeply alarming and highly suspicious. The Dallas mayor has urged the public to avoid speculation about the case.