Polygraph indicate that the polygraph is neither scientifically valid nor especially effective beyond its ability to generate admissions". Despite the NAS finding of a "high rate of false positives," failures to expose individuals such as Aldrich Ames and Larry Wu-Tai Chin, and other inabilities to show a scientific justification for the use of the polygraph, it continues to be employed. Several countermeasures designed to pass polygraph tests have been described. Asked how he passed the polygraph test, Central Intelligence Agency officer turned KGB mole Aldrich Ames explained that he sought advice from his Soviet handler and received the simple instruction to:
For a Few Dollars More For a Few Dollars More For a Few Dollars More () is a 1965 spaghetti Western film directed by Sergio Leone. It stars Clint Eastwood and Lee Van Cleef as bounty hunters and Gian Maria Volontè as the primary villain. German actor Klaus Kinski plays a supporting role as a secondary villain. The film was an international co-production among Italy, West Germany, and Spain. The film was released in the United States in 1967, and is the second part of what is commonly known as the "Dollars Trilogy", following "A Fistful of Dollars" and preceding "The Good, the Bad and