by: Alexa Ashwell Updated:CHARLOTTE —
The family of a teacher who has been missing since Sunday said they're not giving up hope on her safe return.
Bianca Tanner, 31, was last seen in north Charlotte. On Thursday investigators elevated the case to a homicide investigation.
RAW VIDEO: Chief Rodney Monroe elevates case to homicide investigation
Tanner and her 3-year-old son just moved from Greensboro to Charlotte to be with her boyfriend.
He reported her missing Sunday and told police she left their Druid Circle apartment and never returned, according to a police report.
Neighbors told police they heard arguing late Saturday night into early Sunday morning. On Monday, Tanner never showed up for a new job with Charlotte-Mecklenburg Schools.
Channel 9 talked with Tanner's mother who said her daughter was very excited about her new position.
"That was the last conversation we had," said Anntoinette Cloth. "She was saying how great everything is falling into place for her."
On Thursday, investigators searched an area off Statesville Avenue near where she lived but found nothing.
On Thursday, Channel 9 talked with Tanner's older sister who spent the day passing out a missing person flier throughout Charlotte and Greensboro.
IMAGES: Police actively searching for missing teacher Bianca Tanner
Police are now offering a $5,000 reward for information leading to an arrest in the case.
Tanner is 5 foot 3 inches tall and weighs 110 pounds. She has brown hair and brown eyes. She was last seen wearing a red tank top, black shorts and black flat shoes.
Anyone who sees or has information about her is asked to call 911 immediately, or Crime Stoppers at 704-334-1600.
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