After a mother of two vanishes on Mother’s Day, bizarre clues emerge— a chipmunk alibi, a tranquilizer gun and a spy pen. "48 Hours" correspondent Peter Van Sant reports.
Rescues continue in central Texas after deadly flash floods force evacuations; The Hudson Valley's historic Stissing House shines with wood-fired classics
In an exclusive interview, Robert Baker tells "48 Hours" Monica Sementilli "did not know" about the murder and had no involvement. Baker's testimony could help Sementilli in her upcoming murder conspiracy trial.