Polygraph tests are being conducted at the Pima County Sheriff's Office, as per reports, amid an ongoing search for Nancy ...
Charlotte, NC-based Kimbrough Consulting provides professional, confidential lie detector and polygraph services ...
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Nancy Guthrie disappearance: Sheriff pleads with suspect to ‘just let her go,’ insists case not cold
Pima County Sheriff Chris Nanos made a plea Tuesday to the suspect in Nancy Guthrie’s disappearance, urging the individual to “just let her go.” He added that the investigation continues to be a ...
Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...
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