Noah Chamberlin was taking a walk with his grandmother and sister when he wandered out of sight.
Hundreds gathered in a small Tennessee community yet again on Sunday in an increasingly desperate effort to find a toddler who vanished there last week.
Noah Chamberlin was walking with his grandmother and 4-year-old sister in the woods behind his grandparents' home Thursday afternoon when he wandered out of sight.
The boy has not been seen since. Likewise search efforts have not ceased as volunteers from Tennessee, Alabama, Arkansas, Mississippi and Florida have swarmed to help bring Noah home.
Read: Flight Attendant Last Seen at Airport Mysteriously Vanishes
Even as the search appeared to come up empty on Sunday, officials vowed to continue into Monday--the fifth day of such efforts.
“We’re making plans for all day [Monday], and planning what we’re going to do [Monday] evening,” Madison County fire chief Eric Turner told the Jackson Sun. “I hope we don’t have to use them. I hope we find him soon.”
Also on Sunday, Madison County Sheriff's Office spokesman Tom Mapes told reporters that the first thing authorities did was check databases to see if child predators might be in the area.
“As soon as it happened on Thursday, boom,” Mapes said. “They immediately found three sex offenders within two miles and they were all over that. That was done quickly. It was the first thing they did.”
Read: Body of Country Singer Craig Strickland is Found a Week After He Went Missing
That search came up empty. As did the review of deer cameras in the area that some suspected might have footage of the boy.
Calls for help in the search have lit up the internet as Facebook users spread the word--along with the boy's missing poster--using the hashtag #FindNoah.
Noah was last seen wearing a long-sleeved gray shirt and jeans. He is two feet tall and weighs about 25 pounds, with blond hair and blue eyes. Anyone with information is asked to call the Chester County Sheriff's Office at (731) 989-2787 or TBI at 1-800-TBI-FIND.
Watch Below: Brothers Missing for 2 Months Could Have Been Abducted by Mom