Welcome To Benchmark

Assessing Authenticity
& Truthfullness
in

Helping thousands of people to get validation on important information and individuals

Get Polygraph Services
(661) 421-4927

Melvin
Johnson

Owner/Polygraph Examiner

With over thirty-five years of law enforcement experience serving in corrections, patrol, traffic, K9, investigations, polygraph, police supervision and police management, we are here to help you find the truth.

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APA

American Polygraph Association

AAPP

American Association of Police Polygraphist

CAPE

California Association of Polygraph Examiners

Services

What We Do

Pre Employment

  • Law Enforcement and Criminal Justice personnel
  • Fire Department personnel
  • Private Companies working under government contracts
  • Pharmaceutical Staff
  • Private Security Firms
  • Armored Transport

Attorney Client

  • Non-Criminal Matters
  • Criminal Defense Matters
  • Witness Vetting
  • Client Management
  • Family Cases
  • Custody Disputes
  • Trial Preparation

Criminal

  • Active law enforcement investigations
  • Eliminate Suspect involvement
  • Assist in Identifying those involved
  • Narrow Search area
  • Provide Critical Evidence through Interview and Interrogation

Relationships

  • Suspected Infidelity
  • Pre-marital screening
  • Domestic Violence
  • Drug and Alcohol abuse​

Business Theft

  • Employee Theft
  • Vendor Fraud
  • Theft of Funds
  • Mechanized Theft
  • Embezzlement

Family Issues

  • Child Custody
  • Alcohol and Drug abuse
  • Theft
  • Wrongfully Accused​

Contact

Find out more

Schedule an Appointment