The two suspects are both being held on a $1 million bond. A spokesperson for the Knox County district attorney's office also announced Basset and Williams will also face charges for possessing a firearm as a felon.
Zenobia Dobson gave a moving and emotional speech urging Americans to do more to stop gun violence and senseless deaths like her son's.
On July 13, Zaevion Dobson will receive the coveted Arthur Ashe Courage Award.
Past award winners include transgender activist and Olympian Caitlyn Jenner, former NFL player Michael Sam, and award-winning broadcast journalist Robin Roberts.
More than a hundred people gathered at a vigil in Knoxville to honor 12-year-old Jajuan Latham. He was fatally shot in a suspected gang shooting. Jajuan is a cousin of 15-year-old Zaevion Dobson, who died shielding three girls from gunfire.