New Delhi, March 12 -- The Palm Beach County Sheriff's Office on Wednesday named a person of interest in the disappearance of 8-year-old Christy Luna, who went missing on May 27, 1984.

Luna was last seen walking home from a Greenacres convenience store after buying cat food.

Despite a massive search operation, nothing was found, and the cold case continued to intrigue the community even after four decades.

On Wednesday, authorities in Florida named a new person of interest in the case.

According to the sheriff's office, Warren Gilbert Williams, Jr, has been named as a person of interest.

Williams was a resident of Lake Worth who was 46 years old at the time Luna disappeared.

Sgt. Chris Karpinski, a supervisor in the sheriff's cold-c...