Courtroom

EXPERT WITNESS CONSULTING SERVICES

Pre Case Review

  • Free interview and discussion to determine If I am the right expert for the case

  • On-site reviews and documentation

  • For an additional fee, I can facilitate emergency mobilization

Expert report, deposition, and testimony

  • Visually interesting reports with aesthetic layouts and photo documentation

  • Hundreds of assessments and presentations

Research and discovery 

  • Document review

  • Additional question for interrogatories deposition

  • Record management system (RMS), 911 data evaluation

  • Interviews and building rapport  

Consultation on existing best practices

  • Knowledgeable about obscure but relevant standards for multiple building types

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Data analysis and foreseeability

  • Data visualization, analytics, pair-wise comparisons

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​Site/existing conditions analysis

  • On-site data review validation

  • Security staff response time evaluation 

  • Crime prevention through environmental design

  • Architectural/keying/ locking/ lighting

Learn more
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SECURITY
TECHNOLOGY

  • Access control and related vulnerabilities

  • Perdestrian/vehicular control 

  • Surveillance

  • Communications

  • Call boxes/call for assistance intercom

  • Alarm systems

  • Duress systems

  • Placement, functionality review

Looking for security consulting and design services?

If so, please direct your browser to my employer's website to learn more about thought leadership and the value that I can provide during the day.

 

Services such as

  • Benchmarking

  • Outsourcing

  • Training

  • Security, threat, and vulnerability assessments

  • Technical analysis

  • Workplace violence assessments

  • Control center design

  • Comprehensive security and telecommunications systems design

Security consulting
Security Design
Expert Witness Security Consulting in Chicago Illinois (22).webp
Chicago

  • General Specialties: Security Management

  • Contact me to see my CV 

CONTACT
SEAN A. AHRENS

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  • LinkedIn
  • Instagram

CONTACT ME TO SUPPORT YOUR LITIGATION CASE

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Thanks for submitting!

Call me at 1-833-247-3677

Fields in specialization focus: Workplace violence, armed assailant active shooter, operations alarm, surveillance, crime prevention through environmental design, commercial, retail, and hospitality.

Working as a current security consultant, I have current knowledge regarding current threats, and vulnerabilities for a myriad of building types: parking garages, apartment buildings, warehouses, bars, restaurants, entertainment, office, workplace violence and security technology, operations, and architecture. 

My focus is on premise liability, negligence, wrongful hiring, foreseeability, crime demographic analysis, benchmarking, physical security, and security management.

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  • My education: I have a master's in organizational security management from Webster University, graduating with honors–Cum Laude. Before that, I did my bachelor's in criminal justice at Western Illinois University. I continue to obtain certifications that further substantiate my security lineage.

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  • If you'd like to get in touch, please say hello through any of the social links above. You can also reach me through my employer AEIeng.com

SEAN A. AHRENS, MA, CPP, CSC, BSCP, FSyl

Years in Practice: 23

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