Truth or Deception" examines individuals long suspected of serious crimes who voluntarily submit to taking a polygraph test hoping to clear their names in the eyes of their family and community.

Shannon Price defends her decision to remove ex-husband Gary Coleman from life support in 2010, claiming she "had no choice" despite reports of a will requesting 15 days.

"Doctors at the hospital assumed Shannon was still married to Gary when in fact they had been divorced in secret," Tony Harris says in A&E's upcoming special

Host Tony Harris pointed out on “Lie Detector” that Price had been divorced from the “Gary Coleman Show” alum for nearly two years prior to the accident, but she “presented a document at the hospital naming her as the decision maker on Gary’s advanced medical directive.”

to take a lie detector test. while the other will ask the questions. And then you'll switch. This is Stephanie, our polygraph operator. Who wants to be in the hot seat first? I don't want to get it out of the way, I'm too nervous. I don't like this. Great. I've never been calmer in my life.

No administration has been immune to the impulse to investigate leaks. The reflex is bipartisan and familiar: An embarrassing disclosure appears in the press – contradicting official statements or exposing internal dissent – and the White House vows to identify and punish the source. Polygraphs are often part of this ritual.