Alan Teschendorf is a truth teller. As a polygraph examiner for the Illinois State Police, Teschendorf says he doesn't look for people who are lying. His goal is to find the truth. The Collinsville ...

When leads dry up or the truth is murky, LAPD detectives end up here, on the fourth floor of downtown’s Parker Center, headquarters of the Polygraph Unit. In these tattered 10-by-10-foot rooms, lies ...

In October 2023, an FBI polygraph examiner conducted a two-part polygraph test on Murdaugh, the filing says. The results indicated deception, causing Murdaugh to fail and, the government argues, ...

Attorneys for Christine Blasey Ford, the woman who's accused Supreme Court justice nominee Brett Kavanaugh of sexual assault, released the results of a polygraph test focused on the decades-old ...

Attorneys for Christine Blasey Ford, the woman who’s accused Supreme Court justice nominee Brett Kavanaugh of sexual assault, released the results of a polygraph test focused on the decades-old ...

Federal agencies have stepped up their efforts over the past few weeks to find potential leakers, and some — like the FBI, the Department of Homeland Security and the Department of Defense — are ...

The Nevada Supreme Court heard arguments Monday in a civil case that centers on the actions of a Las Vegas polygraph examiner. All seven justices attended the hearing, which focused on a legal ...

Ernie Hulsey, a longtime Houston polygraph examiner trusted by law enforcement agencies and considered a legend in his field, died of a heart attack this week. He was 64. Hulsey was a Texas Department ...

HUNTSVILLE, Alabama - During an armed robbery trial in late October, defense attorney Jake Watson mentioned in cross-examination that his client had offered to take a polygraph test. Huntsville Police ...

A polygraph is commonly known as a lie detector but it’s really just a machine with a number of sensors that measure things like heart rate, breathing rate, galvanic skin response and blood pressure ...

KINGSTON, N.Y. — The Ulster County Sheriff’s Office announced the graduation of the first two members in the agency’s history from polygraph examiner school earlier this month. Detective Lt. Abram ...