This is basically fear porn for the upscale parts of the Boston suburbs. People are interested because they get to self indulge in pearly clutching because even though these were nice people living somewhere nice this still happened to them. If this had happened in Fall River or Lawrence the globe probably would have covered it with a "look at these poors and their tragic plight" tone and the customers would have skimmed it, said "well at least nobody got beat up or shot" to themselves and then clicked the next article.