Critically evaluate the extent to which the symptoms of mental illness can be relevant to understanding and predicting the risk of violent behaviour

Critically evaluate the extent to which the symptoms of mental illness can be relevant to understanding and predicting the risk of violent behaviour. 

Paper details Please critically evaluate the symptoms of mood disorders such as bipolar, and to what extent we are able to understand and predict violent through those symptoms. Also critically evaluate the symptoms of somnambulism such as sleep walking or epilepsy, and also to what extent we are able to understand and predict violent through those symptoms.You have to mention risk of assessment.