Kenneth "Kenny" Ring, 24, was found inside the store at 2001 Widewaters Parkway shortly after midnight Saturday, police said.
Police don't have a suspect, and they have asked the public for information – no matter how insignificant it might seem – to help them solve the case.
Specifically, they want to speak to anyone who was in the area from midnight to 12:39 a.m. Saturday.
"The Knightdale Public Safety Department has received several leads from the public that we are following up on," police Chief Shawn Brown said Friday. "We still want to encourage anyone who may have any information about this incident to call."
Domino's Pizza initially offered a $5,000 reward in the case. Eastern Wake Crime Stoppers and the Town of Knightdale is now also sponsoring the reward, which is available for information leading to a conviction in the case.
Anyone with information can call the Knightdale Public Safety Department at 919-217-2261.
"That least bit of (information) that seems so unimportant – it might be that one key thing that the police are looking for to tie this all together," Ring's father, Dan Ring, said Thursday. "It will turn the lights on for the investigators and give them more information."
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