Investigating the 2005 murder of teacher Tara Grinstead
A family in Georgia is awaiting a state supreme court ruling that could allow a long-awaited murder trial to go forward in the death of Tara Grinstead. Tara was a teacher and former beauty queen when she disappeared in October 2005. I"48 Hours" correspondent Peter Van Sant joins CBSN to discuss the 12-year-old mystery and how authorities may have missed crucial leads early in the investigation.