Spectrum Polygraph Services provides certified polygraph (lie detector) testing in every city and community in San Bernardino County, delivering accurate, confidential truth verification for infidelity, immigration, pre-employment, and financial cases. When considering polygraph testing in San Bernardino County, we offer bilingual testing (English & Spanish) both in-office and via mobile service, with 90–95% accuracy for single-issue exams.
Our Polygraph Services in San Bernardino County encompass a broad range of applications for polygraph testing.
Infidelity & Relationship Testing
- Suspected cheating — physical or emotional
- Verifying after a partial confession
- Trust confirmation before marriage or commitment
- Marriage verification for green card petitions
- Addressing fraud or misrepresentation claims
- Truth verification for asylum, residency, or citizenship
Pre-Employment & Workplace Screening
- Law enforcement and corrections agencies
- Public safety and high-security government roles
- Corporate hiring for sensitive or high-trust positions
Financial & Business Investigations
- Internal theft detection
- Fraud investigation
- Truth verification in contract disputes
Why Choose Spectrum Polygraph Services
- Certified Examiners with law enforcement and investigative experience
- Bilingual Testing (English & Spanish)
- Strict Confidentiality for all clients
- Mobile Polygraph Availability in every San Bernardino County city
- Flexible Scheduling including evenings and weekends
Cities We Serve in San Bernardino County
We offer professional polygraph exams in all cities, towns, and unincorporated areas of San Bernardino County, including:
Chino, Chino Hills, Colton, Fontana, Grand Terrace, Hesperia, Highland, Loma Linda, Montclair, Ontario, Rancho Cucamonga, Redlands, Rialto, San Bernardino, Upland, Yucaipa, plus surrounding communities and unincorporated areas, all of which benefit from polygraph testing San Bernardino County services.
Our Testing Process
1. Confidential Consultation & Question Development
We privately review your case and develop precise yes/no questions directly related to your concern during polygraph testing in San Bernardino County.
2. Pre-Test Interview
We explain the polygraph procedure, review the questions, and ensure the examinee fully understands them.
3. Examination
We use modern computerized polygraph equipment in a professional, distraction-free environment.
Accuracy & Reliability
Studies show that single-issue polygraph exams performed by qualified examiners can reach 90–95% accuracy. While admissibility in court may vary, polygraph results can significantly influence personal, professional, and legal decision-making. Utilizing polygraph testing in San Bernardino County can elevate the decision-making process.
Frequently Asked Questions (FAQ)
Q: Do you offer mobile testing in San Bernardino County?
A: Yes — we can travel to law firms, corporate offices, or private residences.
Q: Can the exam be conducted in Spanish?
A: Absolutely — we provide full bilingual services.
Q: How long does a typical test take?
A: On average, 1.5–2 hours, including the pre-test discussion.
Q: Are the results confidential?
A: Yes — only the authorized requesting party receives them.
Why Local Testing Matters
Serving every city in San Bernardino County ensures that residents, businesses, and attorneys can access professional truth verification services without extensive travel. From Ontario to Barstow, Victorville to Chino Hills, we deliver the same high standards of accuracy, professionalism, and confidentiality through our well-established polygraph testing San Bernardino County network.
