Nancy Grace of 'Grace vs. Abrams' spoke with A&E Real Crime about whether the double-jeopardy rule should be abolished, recent cases the media isn't paying enough attention to and whether it's opportunistic to report on crime stories.

A&E Real Crime spoke to experts to explore the disturbing reasons why some men kill the person with whom they've vowed to share a lifetime.

How sound is the reasoning that a refusal to take a polygraph test is a sign of guilt? We speak to former polygrapher and current anti-polygraph activist, Douglas Williams, about what he sees as the test's fundamental problems.