Doctors and lawyers can't come to a consensus on the science of shaken baby syndrome 50 years after it was first proposed as a theory. Does shaking a baby actually lead to the brain damage seen in historical and current cases? And why has the argument become so heated that some describe it as a war?   For exclusive content and additional reporting on the case, available to subscribers of The Age and The Sydney Morning Herald, visit theage.com.au/podcast/diagnosingmurder. Subscribe now to theage.com.au or smh.com.au to access the special Good Weekend investigation.See omnystudio.com/listener for privacy information.