A Disturbed Individual Kills a Number of People in a Mass

A disturbed individual kills a number of people in a mass shooting. The shooter is found to be mentally ill. How likely is it that such an individual received mental health services in the past year?

A) very likely; almost all mentally ill people do receive services
B) very unlikely, although services are available, mentally ill people do not take advantage of them
C) so-so; about 50 percent of people with mental illnesses receive services
D) likely, although the coordination of those services is a problem