Introduction -- Murder laws and terminology -- Analyzing murder law terminology and evidence -- Linguistic profiling when there is no known murder suspect -- Intentionality and predisposition in murder cases -- Voluntariness in murder cases -- Voluntariness of mentally incapacitated suspects capacity -- Voluntariness of suspects impaired by alcohol or drugs -- Voluntariness of juvenile suspects -- Voluntariness of emotionally distraught suspects -- Reasonable doubt in murder cases.