Tag «Gary Leon Ridgway»

“Green River Killer” Gary Leon Ridgway’s Polygraph Charts

On Monday, 7 May 1984, polygraph operator Norman R. “Norm” Matzke of the King County, Washington Sheriff’s Office conducted a polygraph “test” of Gary Leon Ridgway regarding the deaths of prostitutes whose bodies had been dumped in or near the Green River beginning in 1982. After passing the polygraph, Ridgway, who had been arrested on …

Polygraph Operator Sally VanBeek Doesn’t Think Sociopaths Can Beat the Lie Detector

The Seattle Post-Intelligencer’s Seattle 911 blog today featured a video report by Parella Lewis of KCPQ-TV’s Washington’s Most Wanted show. Lewis interviewed Detective Sally VanBeek, a polygraph operator with the Everett Police Department, who opined that sociopaths cannot beat the polygraph. Is VanBeek, who is also president of the Northwest Polygraph Examiners Association, somehow unaware …

Green River Killer Gary Leon Ridgway Passed Polygraph “With Flying Colors”

Chris Summers reports for BBC News Online in an article titled, “Confessions of a serial killer.” Excerpt: When Gary Leon Ridgway stands up in a Seattle court on Wednesday and admits 48 counts of aggravated first degree murder he will officially become America’s most prolific serial killer. It is not a very good advertisement for …