About Truth & Deception Technologies

A Global Leader in Voice Stress Analyses and Voice Biometrics Verification providing services to the public services, private and corporate clients, Truth & Deception Technologies was established in Orlando Florida in 2003 by dedicated professionals in the field of voice stress analytics, voice biometrics examination and polygraphs. The company now has a presence in more than 68 countries worldwide, including South Africa.

Founded in 2014, Gauteng-based Truth & Deception Technologies South Africa, is digital forensic company specializing in digital forensics, litigation, criminal and forensic investigations.



KOBUS "BLACKY" SWART, a policing, investigations, intelligence and private security veteran with more than 33 years of experience. He founded Gauteng-based Truth & Deception Technologies South Africa in 2014.

Swart's professional experience spans from the management of violent crime investigations and crime intelligence operations for one of South Africa’s largest banking groups, as well as for one of the Country’s leading cash-in-transit companies. He had a 22-year career with the South African Police Service (SAPS).

Swart has also been instrumental in addressing serious and violent criminal syndicates in South Africa, as well as in the training of crime intelligence structures in numerous African Countries. Over the last number of years he applied his trade as a Forensic Computer / Cellular phone examiner in major projects such as VBS Bank, Transnet and the SME Bank of Namibia.

His advanced skills, qualifications and expertise include:

  • Computer and Cellular phone Forensics
  • Voice stress integrity assessments:
    • Pre-employment integrity assessments
    • Post-employment integrity assessments
  • Advanced narrative voice stress analytics
  • Scientific voice biometrics / comparison examinations
  • Employee Vetting
  • Lifestyle Audits


Andile was admitted to the High Court of South Africa as an Attorney during 1999.

He has the following qualifications:

  • BA degree obtained from the University of Cape Town during 1993
  • LLB degree obtained from the University of Durban Westville during 1996

He has extensive experience in the following:

  • Litigation
  • Forensic Investigations
  • Drafting and Vetting of Supplier contracts
  • Conveyancing
  • Insolvency Estates
  • Drafting and revisioning of Legislation
  • Property Law


PAUL LANGA is the Group Chief Executive of Zonkizizwe Investments He gained significant security management expertise both through the application of academic disciplines where he achieved, amongst others, qualifications in risk assessment, security policy development and security management and in practical work. In 1992, he obtained a Diploma in Security Management. In 1993, he obtained a Diploma in Role of People’s Organization in Community and Nation Building (Israel). 1994 achieved Diplomas in Security Management in West Yorkshire Police Training School (UK). In 1991 – 1993, he served as a Regional Organizer for the African National Congress. He served 14 years on Robin Island for political offences.


Truth & Deception Technologies services a wide range of South African as well as international companies.

Some of our clients include:

  • BCPS
  • Bowmans Attorneys
  • Brinks International
  • Chancellor House Holdings
  • Credico
  • Risk Diversion
  • City of Johannesburg
  • Webber and Wentzel Attorneys Law Firm
  • AfricOil
  • South African Police Services
  • Outsurance
  • MiWay Insurance
  • Santam
  • Richmark Group
  • BDO Auditors
  • The Royal Eswatini Police Service

"A Global Leader in Voice Stress Analysis and Scientific Voice Biometrics Examination."