Also in The Challenge of Our Age: Inadequate funding plagues the quest for a cure, and Bill Nemitz writes on his mother’s experience.

Part Two of The Challenge of Our Age finds that for Maine’s 190,000 caregivers, the costs are high and the support is limited.

Officials talk about a ‘skills gap,’ but a Maine Sunday Telegram examination finds that high-tech jobs account for a fraction of the growth. The state’s employment issues, it turns out, are more complex. Find out what 25 jobs are most in demand.

Fourth of four parts: A new system in Maine evaluates deadly force incidents, but little is done to share the findings, and few lawmakers actually read the reports.

First of four parts: Nearly half of the people shot by Maine police over the past decade had mental health problems or were impaired, and most of the officers who pulled the trigger lacked readily available training that might have prevented these tragedies.

Late last year, salmonella from tainted ground beef sickened at least 20 people – maybe hundreds more — and led to a large recall of Hannaford beef. How did this happen? Read our special investigative report.