(CBS/WREG/AP) PARSONS, Tenn. - Whitney Duncan, a rising country music star and cousin of missing 20-year-old Holly Bobo, has been making desperate pleas for the safe return of her cousin.
Duncan took to Twitter to help encourage the volunteers who have been helping search for her cousin.
"Still searching...we CANNOT give up y'all!!!!" Duncan wrote on her Twitter page.
Duncan has been pleading for the public's help since Bobo went missing from her Parsons, Tenn. home, about 100 miles northeast of Memphis, April 13.
"We are offering a 25,000 [reward] to anyone with info leading to the safe return of Holly. Please help us. Thank u," Duncan wrote.
On Sunday, the Tennessee Bureau of Investigation asked residents to take notice of anyone whose whereabouts were unaccounted for the morning when Bobo went missing. They believe the person who abducted Bobo may be a member of the local community, reports CBS affiliate WREG.
The public has given authorities more than 250 tips in the disappearance. Search teams continued to look for clues to Bobo's whereabouts.
An estimated 2,000 volunteers showed up to help with searches on Sunday.
Bobo is 5-feet-3-inches tall and weighs 110 pounds. She was seen around 7:30 a.m. wearing a pink shirt and light blue jeans.Officials ask that anyone with information contact the TBI at 1-800-TBI-FIND.