Spectrum Polygraph Services
Claimed 
Lie Detection and Polygraph ServicesPolygraph ServicePolygraph Examiners and Service
Hours
Open 24 Hours, 7 Days a WeekBy Appointment OnlyAbout Spectrum Polygraph Services
Spectrum Polygraph Services provides professional, confidential polygraph (lie detector) examinations for personal, legal, and professional matters. We specialize in infidelity and relationship concerns, immigration and asylum support (including VAWA and marriage verification), pre-employment testing for law enforcement and private security, and civil or criminal case examinations. Our examiners are trained to national standards and use modern computerized equipment. We offer bilingual services (English/Spanish), flexible scheduling, and clear same-day results. We serve clients throughout Southern California.
Areas Served
We proudly serve all cities in Los Angeles County, including Agoura Hills, Alhambra, Arcadia, Artesia, Avalon, Azusa, Baldwin Park, Bell, Bell Gardens, Bellflower, Beverly Hills, Burbank, Calabasas, Carson, Cerritos, Claremont, Commerce, Compton, Covina, Cudahy, Culver City, Diamond Bar, Downey, Duarte, El Monte, El Segundo, Gardena, Glendale, Glendora, Hawaiian Gardens, Hawthorne, Hermosa Beach, Hidden Hills, Huntington Park, Industry, Inglewood, Irwindale, La Cañada Flintridge, La Habra Heights, La Mirada, La Puente, La Verne, Lakewood, Lancaster, Lawndale, Lomita, Long Beach, Los Angeles, Lynwood, Malibu, Manhattan Beach, Maywood, Monrovia, Montebello, Monterey Park, Norwalk, Palmdale, Palos Verdes Estates, Paramount, Pasadena, Pico Rivera, Pomona, Rancho Palos Verdes, Redondo Beach, Rolling Hills, Rolling Hills Estates, Rosemead, San Dimas, San Fernando, San Gabriel, San Marino, Santa Clarita, Santa Fe Springs, Santa Monica, Sierra Madre, Signal Hill, South El Monte, South Gate, South Pasadena, Temple City, Torrance, Vernon, Walnut, West Covina, West Hollywood, Westlake Village, Whittier; Orange County, including Aliso Viejo, Anaheim, Brea, Buena Park, Costa Mesa, Cypress, Dana Point, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Irvine, La Habra, La Palma, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Los Alamitos, Mission Viejo, Newport Beach, Orange, Placentia, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Stanton, Tustin, Villa Park, Westminster, Yorba Linda; Riverside County, including Banning, Beaumont, Blythe, Calimesa, Canyon Lake, Cathedral City, Coachella, Corona, Desert Hot Springs, Eastvale, Hemet, Indian Wells, Indio, Jurupa Valley, Lake Elsinore, La Quinta, Menifee, Moreno Valley, Murrieta, Norco, Palm Desert, Palm Springs, Perris, Rancho Mirage, Riverside, San Jacinto, Temecula, Wildomar; and San Bernardino County, including Adelanto, Apple Valley, Barstow, Big Bear Lake, Chino, Chino Hills, Colton, Fontana, Grand Terrace, Hesperia, Highland, Loma Linda, Montclair, Needles, Ontario, Rancho Cucamonga, Redlands, Rialto, San Bernardino, Twentynine Palms, Upland, Victorville, Yucaipa, and Yucca Valley.Services
Lie Detector Tests (Polygraph Examinations)
Spectrum Polygraph Services provides professional and confidential lie detector tests to help uncover the truth in sensitive situations. Our certified examiners, fluent in English and Spanish, specialize in infidelity, workplace issues, pre-employment, and immigration-related polygraph exams. Using advanced polygraph technology, we deliver accurate and discreet results in a private, comfortable environment. Whether for personal peace of mind, employment screening, or legal support, our services are trusted by individuals, businesses, and attorneys. Serving Los Angeles, Orange, Riverside, and San Bernardino Counties, we are committed to accuracy, integrity, and respect in every examination. Edit Remove Service
Pre-Employment Polygraph Exams
We provide professional pre-employment polygraph testing for law enforcement agencies, government organizations, private security firms, armored transport, cannabis security, and other high-trust employers. Our exams help evaluate honesty, integrity, past criminal activity, drug involvement, workplace misconduct, and compliance with agency hiring standards. Each examination includes a structured pre-test interview, professionally formulated test questions, and modern computerized polygraph instrumentation. Results are delivered clearly and promptly to authorized hiring personnel. All testing follows APA, CAPE, and nationally recognized best-practice standards. Bilingual examiner available. Flexible scheduling for agencies and applicants.
Immigration and Asylum Cases
We offer specialized polygraph examinations to support immigration and asylum cases, including VAWA, marriage verification, credibility assessments, and protection-based claims. Our exams provide objective documentation to help clarify disputed facts, demonstrate truthful testimony, and strengthen case evidence. Each examination includes a thorough interview, professionally developed questions, and modern computerized polygraph equipment. Results are delivered in a clear written report suitable for attorneys, USCIS review, and court proceedings. Confidential, professional, and bilingual (English/Spanish) services available. We work directly with clients and attorneys.
Domestic Issues Polygraph Exams
We provide professional and confidential polygraph exams to help resolve trust concerns in relationships, including suspected infidelity, hidden communication, financial dishonesty, and other sensitive matters. Examinations include a respectful interview, clearly defined questions, and modern computerized testing to help couples make informed decisions with clarity and peace of mind. Results are explained in a clear written report the same day. Bilingual services (English/Spanish) and flexible scheduling available. Ideal for couples, families, and therapy support.
Workplace & Internal Investigations
We assist employers, legal teams, and HR departments in resolving workplace issues quickly and professionally. Polygraph examinations can help clarify facts in cases involving theft, fraud, harassment, policy violations, safety concerns, or employee misconduct. Each exam includes a structured interview, clear and relevant question development, and testing with modern computerized equipment. Results are delivered promptly in a clear written report to authorized decision-makers. Confidential, impartial, and compliant with applicable legal and industry standards. Bilingual services and flexible scheduling available.
Specific Issues Polygraph Exams
We offer single-issue polygraph exams to address a clearly defined concern or allegation. These exams are used to verify truthfulness in matters such as theft, drug use, undisclosed behavior, false accusations, online activity, contractual compliance, and personal disputes. Each examination includes a thorough interview to establish facts, precise question formulation, and testing with modern computerized polygraph instrumentation. Results are provided in a clear written report the same day. Confidential, professional, and bilingual (English/Spanish) services available. We work with private individuals, attorneys, employers, and investigative professionals.
Couples Therapy Polygraph Exams
We provide supportive and confidential polygraph exams designed to assist couples and therapists in rebuilding trust, improving communication, and addressing unresolved concerns. Exams can clarify issues such as infidelity, hidden communication, financial secrecy, or other relationship-related questions. Each session includes a calm and respectful interview, clearly defined questions, and testing with modern computerized equipment. Results are explained in an easy-to-understand written report that can be shared in therapy if desired. Bilingual (English/Spanish) services and flexible scheduling available.