The co-pilot who may have caused the crash of Germanwings Flight 9525 was being treated for depression.  Did those around him believe that he was so depressed that he could have taken the lives of others?

Are there people in our lives who may be capable of doing terrible things because of their own mental illnesses?  If so what do you do to prevent something bad from happening?  Are you able to do so?

Comment on our Facebook page and vote in today's Question of the Day: