What's Behind RECKLESS

At three in the morning on July 21, 2007, in Cheshire, Connecticut, two career criminals broke into the upscale, suburban home of Dr. William Petit, a prominent endocrinologist, and severely beat, molested, and ultimately murdered his wife and two young daughters.

When they went to sleep that night, Hayley, the seventeen year old, might well have been dreaming of starting Dartmouth, where she was headed in the fall; her eleven year-old sister, Michaela, was maybe messaging with classmates on F...