Background Check Expert Witnesses
Background check expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on background check. The background check expert witness listings on this page are typically from fields/areas of expertise such as: Child Abuse, Safety, School Safety, and Security.
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R. Leslie Nichols, MSSA, CPP, CPG
Child Sexual Abuse Expert - Schools/Organizations
R.L. Nichols & Associates, LLC
Oxford, Mississippi
School Safety, Child Abuse
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sex abuse, child sexual abuse, molestation, grooming, harassment, bullying, school, church, camp, bus, afterschool, sports, olympic, mentor, scouting, coach, background check, negligent hiring, negligent supervision, negligent retention
Expert Witness At-a-Glance:
• 70+ cases retained (2016–2025)
• 23 depositions | 2 trials
• Balanced practice: 60% plaintiff / 40% defense
• Case focus: Child sexual abuse (90%); injury, death or bullying (10%)
• Sectors: Religious (35%), Schools (25%), Sports (20%), Mentoring (10%), Residential care (7%)
• Courts: Federal (21%) and State/Local (79%) across 20+ jurisdictions
Mr. Nichols has over 30 years' experience at the national and local level involving the protection of children. In 2016 he retired as the National Vice President of Child & Club Safety, Boys & Girls Clubs of America, where he oversaw the creation of the organization's child protection program, which shaped the policies and practices of thousands of local Boys & Girls Club affiliates and helped to protect millions of children across the U.S. and overseas. Mr. Nichols is a national thought leader and has participated in numerous, national-level projects to prevent child injury in organizations, including:
• U.S. ...
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A. Benjamin Mannes, MA, CPP, CESP
Global expert in Security & Duty of Care Liability
Mannes & Associates, LLC
New Jersey
Security, Safety
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Duty-of-care, Premises Liaibility, Physical Security, Workplace Violence, Access Control, CCTV, Surveillance, Theft, Investigations, Vetting, Life Safety, Public Safety, Law Enforcement, Harrassment, Emergency Management, Disaster Planning, Emergency Response, Security Guards, Police Response, Background Check
A. Benjamin Mannes, MA, CPP, CESP is an internationally recognized subject matter expert in duty-of-care liability, security, safety, emergency management, and corporate compliance, with over 25 years of operational and consulting experience across federal, state, and corporate environments worldwide. Based in a career in both city & federal law enforcement, Mannes has built global safety & security programs for highly regulated organizations, to include North America's largest medical board, three state education departments, public facilities, transit systems, and a Fortune-300 global corporation.
He provides expert testimony and consulting in the following specialties:
- Duty-of-Care Liability
- Security & Safety
- Extensive experience developing, managing, and auditing programs to ensure organizational duty-of-care in corporate, hospitality, education, and healthcare sectors.
- Expert witness with opinions entered in multiple jurisdictions regarding organizational responsibilit...
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A. Benjamin Mannes, MA, CPP, CESP
Global expert in Security & Duty of Care Liability
Mannes & Associates, LLC
New York
Security, Safety
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Duty-of-care, Premises Liaibility, Physical Security, Workplace Violence, Access Control, CCTV, Surveillance, Theft, Investigations, Vetting, Life Safety, Public Safety, Law Enforcement, Harrassment, Emergency Management, Disaster Planning, Emergency Response, Security Guards, Police Response, Background Check
A. Benjamin Mannes, MA, CPP, CESP is an internationally recognized subject matter expert in duty-of-care liability, security, safety, emergency management, and corporate compliance, with over 25 years of operational and consulting experience across federal, state, and corporate environments worldwide. Based in a career in both city & federal law enforcement, Mannes has built global safety & security programs for highly regulated organizations, to include North America's largest medical board, three state education departments, public facilities, transit systems, and a Fortune-300 global corporation.
He provides expert testimony and consulting in the following specialties:
- Duty-of-Care Liability
- Security & Safety
- Extensive experience developing, managing, and auditing programs to ensure organizational duty-of-care in corporate, hospitality, education, and healthcare sectors.
- Expert witness with opinions entered in multiple jurisdictions regarding organizational responsibilit...
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A. Benjamin Mannes, MA, CPP, CESP
Global expert in Security & Duty of Care Liability
Mannes & Associates, LLC
Philadelphia, Pennsylvania
Security, Safety
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Duty-of-care, Premises Liaibility, Physical Security, Workplace Violence, Access Control, CCTV, Surveillance, Theft, Investigations, Vetting, Life Safety, Public Safety, Law Enforcement, Harrassment, Emergency Management, Disaster Planning, Emergency Response, Security Guards, Police Response, Background Check
A. Benjamin Mannes, MA, CPP, CESP is an internationally recognized subject matter expert in duty-of-care liability, security, safety, emergency management, and corporate compliance, with over 25 years of operational and consulting experience across federal, state, and corporate environments worldwide. Based in a career in both city & federal law enforcement, Mannes has built global safety & security programs for highly regulated organizations, to include North America's largest medical board, three state education departments, public facilities, transit systems, and a Fortune-300 global corporation.
He provides expert testimony and consulting in the following specialties:
- Duty-of-Care Liability
- Security & Safety
- Extensive experience developing, managing, and auditing programs to ensure organizational duty-of-care in corporate, hospitality, education, and healthcare sectors.
- Expert witness with opinions entered in multiple jurisdictions regarding organizational responsibilit...