Why Are the Police Often Referred to as "Street Corner

Why are the police often referred to as "street corner psychiatrists"?

A) Police officers to speak to the public about how they are feeling about crime in their neighbourhoods as part of their job
B) Police can develop mental health issues on the job and often look to their colleagues for assistance on how to cope
C) Police officers are becoming the frontline contact for many mentally-ill victims and perpetrators of crime
D) Police training is now comprised of equal parts law enforcement training and clinical counselling training