The Special Investigation Unit (SIU) at Threat Suppression is a premier advanced investigative and risk mitigation unit comprised of a multidisciplinary team of seasoned professionals with decades of experience. We operate at the intersection of prevention, protection, and accountability, empowering organizations to act decisively in the face of behavioral threats, workplace misconduct, fraud, and complex internal risk. ​We are committed to safeguard people, assets, and institutional integrity through proactive intelligence, thorough analysis, and discreet case management. 

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What We Do:

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At Threat Suppression's SIU, we provide comprehensive investigative and risk management services, including:

• Behavioral threat assessment and management

  • Early intervention saves lives. SIU identifies individuals exhibiting behaviors of concern—whether in the workplace, schools, or public-facing roles—and develops comprehensive management plans that balance safety with compassion. Our approach follows national standards (e.g., NaBITA, ATAP, U.S. Secret Service models) and includes:

    • Threat interviews and collateral contacts

    • Violence risk assessments

    • Case strategy consulting

    • Termination or layoff planning

    • Return-to-work or reentry planning

• Human resources and internal investigations

  • Organizations rely on the SIU to handle sensitive workplace issues with discretion and neutrality. Our investigations support compliance, reduce legal exposure, and foster a culture of accountability. We assist with:

    • Harassment, discrimination, and hostile work environment claims

    • Retaliation and whistleblower cases

    • Ethics violations and workplace misconduct

    • Executive or high-profile employee complaints

• Fraud and financial investigations

  • When financial integrity is compromised, the SIU conducts timely and thorough forensic investigations to uncover wrongdoing and support corrective action. Services include:

    • Embezzlement and asset misappropriation investigations

    • Internal theft, kickbacks, and procurement fraud

    • Digital trace analysis and records review

    • Support for audits, terminations, or prosecutions

• Due diligence and background inquiries

  • Before making critical hires or partnerships, we provide deeper visibility into individuals and entities. Our intelligence services include:

    • Pre-employment background investigations

    • Partner and vendor vetting

    • Social media and open-source intelligence (OSINT)

    • Litigation and reputational risk assessments

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Why Clients Trust Threat Suppression's SIU:

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With extensive backgrounds in law enforcement, psychology, psychiatry, human resources, legal compliance, and corporate security, our team combines technical expertise with discretion and sensitivity. Our team includes local, state, and federal law enforcement veterans, attorneys, forensic psychiatrists, intelligence analysts, board-certified threat managers (CTM), board-certified fraud examiners (CFE), board-certified human resource managers (SHRM-CP), board-certified protection professionals, (CPP), board-certified physical security professionals (PSP), and private investigators. Whether you are a corporate leader, human resources director, school administrator, or legal counsel, we tailor our services to meet your specific challenges. We work with clients across all sectors who value safety, transparency, and integrity. We don't just investigate - we help you Identify, Deter, and Defend.

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What We Provide:

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• Neutral, Third-Party Credibility: We offer impartiality that internal teams often cannot.

• Legally Defensible Reporting: Our findings hold up in litigation, arbitration, and board reviews.

• Fast, Discreet, and Professional: We mobilize quickly and work with minimal disruption.

• Multidisciplinary Expertise: We bridge the gap between legal, behavioral, and security fields.

• Prevention-Focused Mindset: We don’t just resolve problems—we help prevent them from recurring.

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Additional Services:​

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• Organizational risk assessments

• Threat management training

• Interim human resources or security leadership support

• Litigation support and expert witness testimony

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Whether you are facing a current threat, navigating an internal crisis, or planning to strengthen your risk strategy, Threat Suppression is your trusted partner. To start a confidential conversation, please email info@ThreatSuppression.com or call 1-800-231-9106.​