SAN JOSE, Calif. (KGO) -- New details are emerging in the case of a missing Morgan Hill teen who's believed to be dead.
Defense attorneys for the man accused of murdering Sierra Lamar may lay out a whole new theory during the trial.
RELATED: Sierra LaMar's father speaks out about grand jury transcripts
According to ABC7 News media partner, The Mercury News, attorneys for Antolin Garcia-Torres claim Lamar might be a runaway.
They argue she wrote something in her Spanish textbook that supports that theory and they add it's corroborated by a young woman who lived with Lamar and her mother.
Garcia-Torres could face the death penalty, if convicted. The trial begins January 3.
For full coverage on the disappearance of Sierra LaMar, click here.
Attorneys could lay out new defense for man accused of murdering Sierra LaMar