The responsible parties depend on who controlled the setting, who employed or supervised the people involved, and what each defendant knew before the incident.
Potential defendants in qualifying third-party civil claims may include:
- Businesses and commercial property operators: When the evidence supports a duty to respond to a foreseeable risk of violence affecting customers or visitors.
- Property owners or management companies: When they controlled the area and their own negligent security or safety decisions contributed to the injury.
- Employers: When negligent hiring, retention, or supervision is supported by evidence, or when another legally recognized basis for employer responsibility applies.
- Security companies: When a security contractor’s own conduct or failure to perform applicable duties contributed to the harm.
- Event operators and venues: When failures involving security, crowd control, supervision, or responses to known threats caused an otherwise preventable injury.
- Private organizations responsible for supervision: When a school, program, or similar organization had a legally recognized duty that was breached.
The attacker may also be named in a civil action, but identifying the person responsible for an assault or battery does not establish a separate business defendant’s liability.
Negligent Security at Bars, Restaurants, Stores, and Parking Areas
A negligent security claim examines whether a person or business responsible for a property failed to take reasonable precautions against a substantial and foreseeable threat of violence.
Potential allegations may involve ignored complaints about violent patrons, previous attacks, inadequate response to an escalating fight, or security procedures that were not followed despite a known danger.
The location of the attack matters because legal duties may differ between a business’s interior, its parking lot, and a common area controlled by another property owner or manager.
A lack of security guards or cameras does not automatically establish negligence, and a single unexpected crime may not make future violence reasonably foreseeable.
In special circumstances, an escalating fight witnessed by staff or repeated threats reported to management may establish notice even without a prior identical attack.
How Prior Threats and Violent Incidents Affect Foreseeability
Ohio courts consider the totality of the circumstances when deciding whether criminal violence was foreseeable, including prior similar incidents, the nature of the business, the location, and what decision-makers actually knew.
In Heimberger v. Zeal Hotel Group, Ltd., an Ohio appellate court discussed the substantial showing generally required before a business can be held responsible for another person’s criminal conduct.
Evidence relevant to notice may include:
- Earlier assaults or fights at the same property.
- Complaints about the attacker or another recurring threat.
- Police calls and security incident reports.
- Threats reported to managers or supervisors.
- Prior failures involving access control, security staffing, or response procedures.
- Surveillance footage showing a developing confrontation before the attack.
Prior incidents are not automatically enough to establish a duty, particularly when they are unrelated to the later violence in location or character.
Employer Liability for Assaults by Employees
An employer may face direct liability when its own negligent hiring, retention, or supervision contributed to an employee’s legally wrongful conduct.
For example, relevant facts may include complaints about prior violence, disciplinary reports, warnings to supervisors, and the employer’s response before a later attack.
An additional question may arise when the employee’s conduct occurred within the scope of employment, although employment itself does not make an employer responsible for every intentional act by a worker.
In Evans v. Akron General Medical Center, the Supreme Court of Ohio held that a negligent hiring, retention, or supervision claim can proceed without first obtaining a criminal conviction or civil judgment against the employee.
The claim still requires proof of legally wrongful employee conduct, the employer’s own negligence, and the resulting injury.
Security Guards, Event Operators, and Supervised Settings
Civil claims may also involve a security contractor, event promoter, private school, or another organization whose responsibilities included managing access, monitoring threats, or supervising people in its care.
An assault at a concert, commercial venue, school program, or workplace may require review of written policies, incident histories, contractual responsibilities, and witness accounts.
Security personnel may themselves cause an injury through unreasonable physical conduct, or a claim may allege that a separate organizational failure contributed to an attack by someone else.
Public schools and other government-operated programs can involve statutory immunity and other restrictions not applicable to private businesses.