Candace Payne, also known as "Chewbacca Mom, is seen in the audience at the CMT Music Awards at the Bridgestone Arena on Wednesday, June 8, 2016, in Nashville, Tenn. (Photo by Wade Payne/Invision/AP)

‘Chewbacca mom’ pays tribute to Dallas officers

In the video she sings, “Heal the World,” which was recorded by Michael Jackson in 1991.