Two guns were recovered at the scene.
According to the Wilkinson County coroner, Harris died from multiple gunshot wounds.
A suspect is in custody, identified as 31 year -old Nyjal Hurst.
Their relationship had reportedly soured because Guzman blamed Mayo for the capture of his father, El Chapo.
Zambada is one of the most consequential traffickers in Mexico's history and co-founded the Sinaloa Cartel with El Chapo, who was extradited to the United States...
A suspect is in custody, identified as 31 year -old Nyjal Hurst.
Police ask public to please stay out of the area.
No suspects have been identified, and there has been no information immediately released regarding any arrests.
As of 11:10 a.m., no injuries have been reported.
Grayson served as a mechanic in the US Army for two years but was discharged in 2016 for serious misconduct.