An arraignment scheduled for Thursday was postponed until Friday because of heavy snow in the region, Conway County Sheriff Mark Flowers said.
West Virginia State Police Sgt. Deke Walker, commander of the Berkeley Springs detachment, said his department arrested Barr in 1994 on a charge of a breaking and entering at a motorcycle shop near Berkeley Springs.
But Walker said he believed Barr had the potential to become a productive member of society, and Walker had hoped Barr's arrest would help put him on the right track.
"But apparently it didn't," Walker said Thursday. "I was willing to work with him."
Linda McGraw, a counselor at Berkeley Springs High School where Barr once was a student, said Barr was always polite, and she believed he had the potential for a bright future.
But Barr had personal problems, said McGraw. She would not discuss what those problems might have been.
When Barr was in school, McGraw said, he was enrolled in the PASS program, in which students are paired with adult volunteers to help them with a variety of problems, from homework difficulties to a lack of an adult role model.
Barr did not complete high school, McGraw said.
"I remember many situations with that young man," McGraw said.
Some Morgan County officials knew of Chauncey, but details about his background were not available Thursday.
The attack made headlines Wednesday in the Arkansas Democrat Gazette, a statewide newspaper, and has rattled residents in Conway because they are not used to such violent crime, police said.
Authorities were trying to determine whether the men had any involvement in at least three killings in Tennessee, Oklahoma, and Arkansas, a rape in Memphis, Tenn., and an attempted abduction Sunday night of a Russellville woman from a Wal-Mart store parking lot in Russellville.
The Associated Press contributed to this story.