Generally through behavioural cues, a change of baseline behaviour and through assessments.
It is extremely difficult under normal conditions to assess degrees of mental health issues and disorders. But this is even more so when one has to apply a framework with which to view somone's behaviour at the time of a crime such as murder.
Despite these difficulties, tools such as questionnaires are used and various other assessments to try and gauge the degree to which someone is culpable for a crime.
Generally through behavioural cues, a change of baseline behaviour and through assessments.
It is extremely difficult under normal conditions to assess degrees of mental health issues and disorders. But this is even more so when one has to apply a framework with which to view somone's behaviour at the time of a crime such as murder.
Despite these difficulties, tools such as questionnaires are used and various other assessments to try and gauge the degree to which someone is culpable for a crime.