PHOENIX -- Police are still searching for the suspect in a deadly assault in the afternoon of April 2.
He has been identified as 33-year-old Alberto Noriega Hernandez. Police said he may have fled the United States.
According to investigators, 66-year-old Kevin Sebra was purchasing beer and other items from a market near 16th Street and Thomas Road shortly before 3:30 p.m., and he offered a beer to a younger man in line.
The younger man reportedly became upset and an argument ensued. Both men then left the market.
As Sebra man was walking north on the east side of 16th Street, a vehicle pulled up behind him. The passenger got out and punched the man in the head, causing him to fall to the ground, according to police.
He was transported to a local hospital with a head injury and later died.
Police believe the assailant is Hernandez, the same man who was involved in the argument at the market.
He fled in the vehicle, which is described as a white or light-colored GMC Yukon or Chevrolet Tahoe.
He is believed to be Hispanic, between the ages of 20 and 25, about 5 feet 7 inches tall, and 150 to 170 pounds.
The driver is unknown.
Anyone with information is asked to contact the Phoenix Police Department Violent Crimes Bureau at 602-262-6141 or Silent Witness at 480-WITNESS.