Suspect Detection Systems Inc. is involved in developing innovative, advanced homeland security, military intelligence and law enforcement technologies. The company’s technologies are based on extensive intelligence and counter-terrorism expertise accumulated in Israel and elsewhere.
Suspect Detection Systems’ technology utilizes the principles of a polygraph, but it is vastly different. The company’s technology is not intended to catch someone in a lie, but is intended to detect fear â€“ the fear of being caught. Terrorists have the fear of being caught before they can complete their â€œmissionâ€.
Against what does Suspect Detection calibrate the fear of being caught? One of the company’s critical assets is a collection of words in dozens of languages that trigger a different response in a suspect linked to terrorism, compared with the response of a person with no link to terrorism. The company has built up a database from thousands of people from various cultures and who speak many different languages which show what the response of regular people to select words would be as compared to the response of terrorists.
An example of such words include the word â€œbriefingâ€ - a person about to carry out a terrorists attack usually undergoes a briefing. Another such word is Semtek, an explosive that few people, except terrorists, would know anything about.
Suspect Detection’s system is built differently than a polygraph. Instead of attaching electrodes, skin conductivity is tested through the palm of the hand. The interviewee places his or her hand on the machine, and with the other hand selects the language for the questions. The interviewee is shown a range of words, including the suspect words, and his or her response to them is then measured. The test takes only three minutes.
The company’s system looks for two gaps. One is the difference between the interviewee’s response to special words and the reasonable response to these words. The other is the difference between the interviewee’s response to suspicious words and the response to ordinary words.
The US Department of Homeland Security has recently began trials of this technology at certain select US airports.
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