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Polygraph Examinations and Lie Detection Testing
How Does The Polygraph Work?
The polygraph is like a recorder, except instead of recording sounds, the polygraph instrument will record physiological changes that occur in the examinee’s body as the polygraph examiner asks a series of test questions. As the examinee is questioned about a certain event or incident, the examiner records and monitors the relative changes in the examinee’s heart rate, blood pressure, respiratory rate and electro-dermo activities.
Today, polygraph tests are administered using digital computerized equipment. Polygraph Examinations are most often associated with criminal investigations, but are also used in family matter such as infidelity, drug use, employee theft and pre-employment screening.
The polygraph Examination includes three phases: The pre-test which includes the examiner and examinee acquainting themselves with one another. The pre-test also allows the examiner to acquaint the examinee with the polygraph instrument and to reveal the exact questions that will be asked during the examination. The data is collected by the examiner after administering the polygraph examination. The final phase is the post test phase in which the data from the polygraph examination is reviewed with the examinee.
The polygraph examination is used by law enforcement agencies, prosecution and defense attorneys, as well as by companies and corporations. Research reveals that polygraph examinations have between a 90-95% accuracy rate. IBRC take their polygraph examinations very seriously. The examination results can potentially impact a persons employment, relationship, or the outcome of a civil or criminal matter. It is for this reason that all results from our polygraph examinations are submitted to a neutral polygraph examiner who is certified by the American Polygraph Association. This procedure, called Quality Control, assures the examinee that our polygraph results have been confirmed.
Polygraph examinations general take between two and four hours, depending the type of examination to be conducted. The estimated time period includes the client interview, in which the examiner obtains all pertinent information regarding the issue at hand. The time estimated will also include the pre-test interview where the examiner will review all the questions that will be asked during the examination. There is also a post exam discussion when the examiner will discuss the results of the examination.
Mobile Polygraph Services Available
We can conduct the polygraph examination in your office, home, place of business, or in our office.
Polygraph Instructions for examinees:
- Please refrain from ingesting alcoholic beverages or illegal substances for 24 hours prior to the examination.
- If you take prescription medications, please take them as prescribed by your physician.
- If you have uncontrolled high blood pressure, or a pre-existing heart condition, please consult with your physician prior to the examination to ensure that you are physically able to take the exam.
We are members of the American Polygraph Association, the National Polygraph Association, and the California Association of Polygraph Examiners.
* All employee screening polygraph examinations are conducted in full compliance with the Employee Polygraph Protection Act of 1988.
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IBRC Investigators are immediately available in the following California cities and regions:
LOS ANGELES COUNTY
Agoura Hills, Los Angeles, Alhambra, Pasadena, Arcadia, Santa Monica, Artesia, Monrovia, Avalon, Pomona, Azusa, Long Beach, Baldwin Park, South Pasadena, Bell, Compton, Bell Gardens, Redondo Beach, Bellflower, Whittier, Beverly Hills, Bradbury, Covina, Burbank, Calabasas, Carson, Vernon, Cerritos, Glendale, Claremont,
Huntington Park, Commerce, La Verne, Compton,
Hermosa Beach, Sierra Madre, Cudahy, Culver City, Inglewood, Diamond Bar, Burbank, Downey, San Fernando, Duarte,
Glendora, El Monte, El Segundo, Manhattan Beach, Gardena, San Gabriel, San Marino, Hawthorne, Monterey Park, Hidden Hills, Montebello, Industry, Torrance, Lynwood, Irwindale, South Gate, La Habra Heights, West Covina, Lakewood, Signal Hill,
La Mirada, Maywood, Lancaster, La Puente, Palos Verdes Estates, Lawndale, Lomita, Malibu, Rolling Hills, Paramount,
Santa Fe Springs, Norwalk, Palmdale, Rolling Hills Estates, Pico Rivera, South El Monte, Walnut, Rancho Palos Verdes,
Rosemead, San Dimas, Temple City, Santa Clarita, Hawaiian Gardens, La Canada-Flintridge, Westlake Village, West Hollywood, Valencia, Stevenson Ranch, Saugus, Castaic, West los Angeles, Hollywood, Encino, Tarzana, Northridge, Reseda, Chatsworth, Sherman Oaks, Studio City, Van Nuys, North Hollywood, North Hills, Canoga Park, Woodland Hills, Ventura, Oxnard,
San Fernando Valley, San Gabriel Valley, Century City, Westwood, Trabuco Canyon, Lake Elsinore, Laguna, Chino Hills,
Rowland Heights, Agoura, Westlake, Toluca Lake, and all surrounding areas.
SAN DIEGO COUNTY
Alpine, Bay Park, Bonita, Bonsall, Borrego Springs, Bostonia, Boulevard, Buena, Campo, Cardiff-by-the-Sea, Carlsbad,
Casa de Oro, Castle Park, Chula Vista, Clairemont, Coronado, Crest, Del Mar, Descanso, East San Diego, El Cajon,
Encanto, Encinitas, Escondido, Escondido Junction, Eucalyptus Hills, Fallbrook, Five Points, Granite Hills, Grantville,
Green Valley, Harbison Canyon, Hidden Meadows, Hillcrest, Imperial Beach, Jacumba, Jamul, Julian, La Jolla, La Mesa,
La Presa, Lake San Marcos, Lakeside, Lemon Grove, Leucadia, Linda Vista, Loma Portal, Miramar, Mission Beach, Mission Hills, Mount Helix, Mount Laguna, National City, Nestor, Normal Heights, North Park, Ocean Beach, Oceanside, Otay, Pacific Beach,
Palm City, Pine Valley, Potrero, Poway, Rainbow, Ramona, Rancho Bernardo, Rancho San Diego, Rancho Santa Fe, San Diego,
San Diego Country Estates, San Marcos, San Ysidro, Santee, Serra Mesa, Solana Beach, Sorrento, Spring Valley, Sunny Vista,
University City, Valley Center, Vista, Winter Gardens and all surrounding areas.
Cathedral City, Corona, Indian Wells, Indio, La Quinta, Menifee, Mira Loma, Murrieta, Norco, Palm Desert, Palm Springs,
Rancho Mirage, Riverside, Temecula, and all surrounding areas.
Aliso Viejo, La Habra, Anaheim, La Palma, Balboa, Lake Forest, Brea, Los Alamitos, Buena Park, Mission Viejo, Costa Mesa, Monarch Beach, Corona Del Mar, Newport Beach, Coto de Caza, Newport Coast, Cypress Orange, Dana Point, Placentia,
Dove Canyon, Portola Hills, Foothill Ranch, Rancho Santa Margarita, Fountain Valley, San Clemente, Fullerton,
San Juan Capistrano, Garden Grove, Santa Ana, Huntington Beach, Seal Beach, Irvine, Stanton, Ladera Ranch,
Laguna Beach, Laguna Hills, Tustin, Laguna Niguel, Laguna Woods, Westminster, Yorba Linda
and all surrounding areas.
SAN BERNARDINO COUNTY
Upland, Ontario, Rancho Cucamonga, Redlands, and all surrounding areas.
Investigations are also available throughout the San Francisco Bay Area and Northern California