In an Arizona negligent security case, the key questions often go beyond what happened. Counsel may also need to examine what the property owner knew, whether the security measures were reasonable, and whether an alleged deficiency contributed to the incident.
SSMC provides security expert witness support for plaintiff and defense attorneys handling Arizona matters involving premises security, third-party criminal conduct, security operations, causation, depositions, and trial testimony.
Phoenix Security Expert Witness Services
Phoenix and the surrounding Maricopa County area include a wide range of properties and operations where security issues may become the subject of litigation, including:
- Hotels and resorts
- Apartment and multifamily communities
- Hospitals and healthcare facilities
- Retail centers and stores
- Parking garages and surface lots
- Bars, restaurants, and entertainment venues
- Educational facilities
- Workplaces and commercial properties
- Warehouses and distribution facilities
Each environment presents different security concerns. A downtown hotel does not operate like a suburban apartment community. A hospital has different access, staffing, and response considerations than a retail center or warehouse.
SSMC assists attorneys in Phoenix, throughout Maricopa County, and across Arizona with negligent security analysis, premises security matters, security operations, expert reports, depositions, and trial testimony.
Request Availability — Arizona Security Expert Witness
SSMC’s President and Chief Security Consultant, William S. Marcisz, JD, CPP, CHPA, serves as a security expert witness and forensic security consultant in matters involving negligent security, premises liability, healthcare security, workplace violence, security staffing, policies and procedures, access control, surveillance systems, and use of force.
William S. Marcisz, JD, CPP, CHPA
- Security Expert Witness & Forensic Security Consultant
- Juris Doctor (JD)
- Certified Protection Professional (CPP)
- Certified Healthcare Protection Administrator (CHPA)
- Former Healthcare System Executive Director of Security
- Experienced in Litigation Support, Depositions, and Trial Testimony
- Approximately 50% of Expert Witness Engagements Retained by Plaintiff Counsel and 50% by Defense Counsel
Contact us for a free initial consultation, CV, fee schedule, or professional references by completing the form below or calling or texting (407) 385-9167.
How Attorneys in Arizona Cases Typically Use Expert Witnesses
A security expert may become involved at different stages of an Arizona case, including:
- Preliminary case evaluation
- Identification of security-related issues
- Review of prior incidents and crime information
- Evaluation of security measures and operating practices
- Assessment of access control, surveillance, lighting, and guard services
- Site inspections
- Expert disclosures and reports
- Rebuttal analysis
- Deposition preparation and testimony
- Trial support
When should you involve an expert?
Earlier is usually better.
Video can be overwritten. Access-control records may no longer be available. Physical conditions may change after an incident. Early involvement gives the expert a better opportunity to evaluate the evidence while the relevant information and conditions can still be documented.
Arizona Negligent Security and Foreseeability
Arizona treats legal duty and foreseeability as separate questions in negligent security cases.
First, the court determines whether the property owner or operator owed a legal duty to the injured person. That duty may arise from a recognized relationship, such as the relationship between a business and its customers.
Foreseeability comes into play differently. When third-party criminal conduct is involved, it may help determine whether the security measures were reasonable under the circumstances and whether an alleged security failure contributed to the harm.
What does that mean in practice?
A negligent security analysis should look beyond general crime statistics. Prior incidents may matter, but so may the property owner’s knowledge, security history, staffing, lighting, access control, surveillance, warnings, and other conditions at the property.
The key question is whether the security measures made sense based on the risks and circumstances known at the time.
How an Arizona Negligent Security Expert Can Help
A negligent security expert helps counsel evaluate the security conditions, operating practices, and causation issues involved in the case.
The expert may review:
- Prior crime and incident information when relevant
- Lighting, doors, locks, gates, and access controls
- Video surveillance and monitoring practices
- Security guard staffing, patrols, and post orders
- Security contracts
- Policies, procedures, and employee training
- Reporting and incident-response practices
- Whether security measures were maintained and followed
- Whether additional reasonable measures may have reduced the risk or severity of harm
- Whether an alleged security deficiency contributed to the incident or injury
The analysis should fit the property and the facts.
A Scottsdale resort, Phoenix apartment community, Tucson hospital, Mesa retail center, or Tempe entertainment venue will not necessarily present the same security conditions or require the same approach.
In a third-party criminal-conduct matter, the expert analysis may focus on three practical questions:
- Was the criminal activity reasonably foreseeable under the circumstances?
- Were the property’s security measures reasonable in light of the known conditions and risks?
- Did an identified security deficiency contribute to the incident or resulting harm?
The expert does not determine whether a legal duty existed. That decision belongs to the court.
The expert’s role is to evaluate the security evidence and explain the opinions through a clear, supportable methodology.
Need Help Evaluating an Arizona Negligent Security Case?
If your case raises questions about property security, prior criminal activity, foreseeability, or causation, SSMC can help you determine what evidence should be reviewed and whether expert analysis is appropriate.
Call or text (407) 385-9167 to check availability, request William S. Marcisz’s CV, or discuss the scope of your Arizona matter.
Choosing the Right Expert Witness in Arizona
The right expert should bring more than a list of credentials.
You need someone whose experience fits the property and security issues, and who can explain the analysis when the questions get difficult.
Match the Expert to the Arizona Property Environment
Security measures should fit the actual operation.
The expert should understand:
- How the property functions
- Who uses it
- How people enter and leave
- What security personnel are expected to do
- Which safeguards were in place
- Whether those measures worked as intended
- What practical limitations affected the security program
SSMC evaluates security matters involving hospitals, resorts and hotels, apartments, retail properties, schools, workplaces, warehouses, entertainment venues, parking facilities, and other commercial environments.
Look for a Clear and Defensible Method
A reliable expert should be able to explain:
- What evidence was reviewed
- What information was unavailable
- Why certain incidents or records were relevant
- Which security practices or standards apply
- What assumptions were necessary
- How the evidence supports the conclusions
The expert should also be able to explain those opinions clearly in deposition or trial without overreaching or speculating.
A defensible opinion starts with the evidence, not the desired result.
Questions to Ask Before Retaining an Arizona Security Expert Witness
Before retaining an expert, consider asking:
- What experience do you have with negligent security and premises security matters?
- Have you evaluated a similar property or operation?
- How do you determine which prior incidents are relevant?
- What records do you need before developing preliminary opinions?
- Is an on-site inspection likely to affect the analysis?
- Are you available for the applicable disclosure, deposition, and trial deadlines?
Also ask how the expert handles incomplete or disputed information.
Good expert analysis separates established facts from assumptions, limitations, and unresolved issues.
SSMC’s Expert Witness Focus in Arizona: Security-Related Matters
SSMC focuses specifically on security-related litigation and consulting.
Our work includes:
- Negligent security and premises security
- Hospital and healthcare security
- Hotels, resorts, and hospitality
- Apartments and multifamily properties
- Retail and parking-area security
- Workplace violence
- Access control and surveillance
- Security guard operations and staffing
- Use-of-force matters
- Educational and campus security
- Security policies, procedures, and training
- Emergency and incident response
SSMC’s President and Chief Security Consultant, William S. Marcisz, JD, CPP, CHPA, brings together senior security-management experience, legal training, and litigation experience.
That combination is especially useful in Arizona matters where the analysis must connect property conditions, security operations, foreseeability-related evidence, and causation. His background helps support a more organized review of the evidence and clearer preparation for deposition and trial.
A security expert does not replace retaining counsel. The value is in providing an independent, well-supported security analysis that can be clearly explained and defended.
OUR CLIENTS
Security Expert Witness — Arizona Service Area
SSMC provides security expert witness and consulting support throughout Arizona, including:
- Phoenix and Maricopa County
- Tucson and Pima County
- Mesa, Chandler, Gilbert, and the East Valley
- Scottsdale and Paradise Valley
- Glendale, Peoria, Surprise, and the West Valley
- Tempe and the surrounding Phoenix metropolitan area
- Casa Grande, Maricopa, Queen Creek, and Pinal County
- Prescott and Yavapai County
- Flagstaff and Coconino County
- Yuma and Yuma County
- Kingman, Lake Havasu City, and Mohave County
- Sierra Vista and Cochise County
Many engagements can begin remotely with a review of pleadings, incident records, video, security documentation, policies, and other case materials.
We can coordinate site inspections, depositions, and trial appearances in Arizona when the matter requires them.
Expert Witness in Arizona FAQs
No. Arizona courts do not use foreseeability to determine whether a legal duty exists.
Duty is a legal question generally based on recognized relationships or public policy. Foreseeability is more appropriately considered when evaluating issues such as breach and causation, including what reasonable security measures may have been required under the circumstances.
Arizona Rule of Civil Procedure 26.1(d) requires parties to disclose expert witnesses they may use at trial and provide information about their opinions and the basis for those opinions.
In Tier 3 cases, retained or specially employed experts generally provide written expert reports unless the parties stipulate or the court orders otherwise. The court may also require reports in other cases.
Attorneys should confirm the applicable scheduling order and disclosure requirements early in the engagement.
Start with a short case summary, relevant pleadings, incident reports, available surveillance video, photographs, security policies, and important expert deadlines.
From there, the expert can identify additional materials that may matter, such as prior incident records, access-control information, guard reports, training records, maintenance documentation, or crime data.
No.
Many engagements can begin with records and evidence review. A site inspection may become important when lighting, access points, locks, gates, surveillance coverage, sightlines, parking layouts, patrol routes, or other physical conditions affect the opinions.
The expert should also consider whether the property has changed since the incident.
Yes.
SSMC accepts appropriate engagements from plaintiff and defense counsel. Regardless of which side retains the expert, the process should remain evidence-driven: understand the property, evaluate the security conditions, identify the relevant issues, and develop opinions that can be supported.
Talk With a Security Expert Witness Team — Arizona Matters
If your Arizona case involves questions about property security, prior criminal activity, security procedures, or causation, SSMC can help you identify the issues that deserve closer review.
Contact SSMC to discuss the facts of the matter, current deadlines, and the type of expert support that may be needed.
This page provides general information about security expert witness services and does not provide legal advice.