The Amarillo Police Department’s Homicide Unit along with the Potter County District Attorney’s office have announced upgraded charges against two people involved in the Polk Street shooting and murder of 25 year old John Love Louima. Robert Kenny Knox and Nahrya Hilesta Ines Hayes have been upgraded to Aggravated Assault with a Deadly Weapon/Mass Shooting, with a total of eight counts, in addition to the murder charge related to the incident early Sunday morning in front of Chesney’s Whiskey Saloon in the 700 block of south Polk Street. The investigation is ongoing, and authorities encourage anyone with video evidence or additional information to contact the Amarillo Police Department…