QuoteIndeed, a time-honored adage in polygraph examiner education is "trust your charts."
QuoteQ. And in your view, when you review your polygraph charts and you score them, and it comes out deception indicated, you believe that they're lying to you, right?
A. I believe they're lying to me, right.
Q. And that's because you've testified that you believe your skills are 100 percent accurate, right?
A. I said I'd like to believe that they were, right.
Q. No ma'am. I believe you testified that you believe that your accuracy rate is 100 percent, before lunch.
A. My accuracy rate on the testing? On the scoring? On exactly what part?
Q. On the scoring, when you score someone as deception indicated, you testifed before lunch, did you not, that your error rate is 100 percent [sic]?
THE WITNESS: Could we go back and check that transcript?
THE COURT: I'll ask the court reporter to --
THE WITNESS: Because I don't recall saying anything --
THE COURT: Hold it a minute. Hold it a minute.
THE WITNESS: Okay. I'm sorry.
THE COURT: I will ask the court reporter to do that.
(The following testimony was read back:)
"QUESTION: So in your mind, your polygraphs, at least, are 100 percent accurate?
ANSWER: I feel like they are."
THE COURT REPORTER: Should I search further?
MR. COBERLY: I think that's fine.
Q. (By Mr. Coberly) After you score the test and it comes up in your mind deception indicated, you believe that the suspect is lying to you?
A. I do.
QuoteShe [FBI special agent Jennifer Sullivan] believes that her polygraphs are 100% accurate.