California Woman Charged with Samurai Sword Murder and Attempted Murder

Weichien Huang accused of killing her wife and severely injuring her mother-in-law in San Dimas attack

Weichien Huang, 45, charged with murder and attempted murder after July 18 incident.
Victim Fei Chen Chen died at the scene; her mother hospitalized with serious injuries.
Huang was found walking with a bloody katana and led deputies to the crime scene.
Prosecutors highlight the case as an example of domestic violence's severe impact.
Huang faces life in prison if convicted; bail set at $3 million.