It is safe to assume that, no matter how it appears, the attempt probably did not come out of the blue. Look for clues. Some possibilities include a family history of mental illness, a history of abuse, unusual or stressful family dynamics, prior diagnosis or evidence of a psychiatric disorder and/or bizarre behavior long before or in the days or weeks immediately preceding the crisis. Part of your job is to be a detective, assembling the pieces in the puzzle that is depression.