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Identifying Potential Lone Actor Threats in Crowds

Writer's picture: Sam WilksSam Wilks

Security at public gatherings in the Northern Territory present unique challenges, requiring a careful balance between vigilance and respect for civil liberties. The increasing prevalence of lone actor threats, individuals who, often driven by ideological, personal, cultural, or psychological motives, seek to disrupt public order, necessitates a strategic and informed approach to crowd security.


Lone actors differ from organised groups in that they operate independently, often avoiding detection until they act. Unlike coordinated networks, they do not require external logistics, making pre-emptive identification difficult. However, their behaviours, psychological profiles, and pre-attack indicators offer critical warning signs that trained security personnel can recognise.


Behavioural analysis is key in distinguishing genuine threats from benign individuals. Lone actors often exhibit patterns of increasing isolation, grievance fixation, and a gradual shift toward viewing violence as a solution. Monitoring for these indicators without infringing on the rights of the public requires a structured and intelligence-driven approach.


Security personnel serve as more than reactive responders, we must be proactive observers capable of reading the subtleties of human behaviour. Standardised training in behavioural threat assessment, coupled with real-world scenario-based drills, enhances a security team's ability to identify and neutralize potential threats before they escalate.


Early warning signs for potential security threats include unusual behaviour, fixed attention, lack of social integration, and boundary testing. These signals help security personnel assess the likelihood of a genuine threat and intervene before an incident occurs, ensuring the safety of the public.


A common mistake in security operations is relying on demographic profiling rather than behavioural indicators. True threat detection requires focusing on what a person does, not who they are. This distinction prevents unnecessary harassment while ensuring that real threats do not slip through gaps in security oversight.


Behavioural screening techniques include micro-expression analysis, gait and body language analysis, and verbal and non-verbal cues to identify signs of deception, stress, or conflicting responses during security questioning.


Security responses should be structured, swift, and minimally disruptive to the public. A tiered approach is most effective when an individual exhibits concerning behaviour. This includes engagement, surveillance, containment and isolation, and decisive action. Trained personnel can clarify intent, through questions, while subtle repositioning of security teams prevents escalation.


Beyond the direct security concerns, there are significant economic and social ramifications when public spaces become targets of lone actor threats. Fear of violence leads to lower attendance at events, decreased consumer confidence, and strained law enforcement resources. However, a competent and well-trained security presence reassures the public, fostering a climate where commerce/ business and civic engagement thrive.


The prevention of lone actor threats ensures that public spaces remain accessible without excessive security barriers that infringe upon personal freedoms. The right balance between liberty and safety is found in well-implemented, intelligence-driven security measures.


Major events and crowded spaces in the Northern Territory must be safeguarded against lone actor threats without descending into paranoia or over-policing. The key lies in training security personnel to identify and respond to behavioural anomalies while respecting individual freedoms. By prioritising intelligence over reaction, leveraging behavioural analysis, and implementing tactical deterrence strategies, public safety can be upheld without sacrificing the open nature of social gatherings.


Lone actors thrive on complacency, but they falter in the face of a security force that understands human behaviour, responds with precision, and refuses to reward manipulation or dishonesty. The responsibility lies with both policymakers and security professionals to ensure that threats are neutralised before they manifest, allowing society to function freely without the looming shadow of violence. From the author.


The opinions and statements are those of Sam Wilks and do not necessarily represent whom Sam Consults or contracts to. Sam Wilks is a skilled and experienced Security Consultant with almost 3 decades of expertise in the fields of Real estate, Security, and the hospitality/gaming industry. His knowledge and practical experience have made him a valuable asset to many organizations looking to enhance their security measures and provide a safe and secure environment for their clients and staff.

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