Interviewing Elderly Witnesses and Victims: Best Practice for Fraud, Elder Abuse and Workplace Investigations

Investigators handling fraud, elder abuse and workplace matters need interview methods that protect evidence, reduce risk and respond appropriately to the communication, cognitive and trauma-related needs that may affect older witnesses and victims.

Why Older Interviewees Require a Different Investigative Approach

As Australia’s population ages, investigators are increasingly required to interview elderly people as witnesses and as victims. These interviews arise across a wide range of matters — including fraud, elder abuse, family violence, institutional misconduct, workplace investigations, insurance claims, and serious criminal offences.

Yet many investigations still apply one-size-fits-all interviewing techniques that fail to account for age-related vulnerabilities. When this happens, the consequences can be significant: unreliable evidence, distressed interviewees, and investigations that fail under legal scrutiny.

This article examines best practice for interviewing elderly witnesses and victims, outlines key safeguards, and highlights why poor interviewing — not age — is often the real source of evidentiary problems.

Why Interviewing Elderly People Requires Careful Adjustment

Age alone does not determine a person’s reliability or credibility. Many older people provide clear, accurate and detailed accounts. However, investigators must recognise that ageing can be associated with changes that affect the interview process, including:

• hearing or vision impairment
• reduced stamina or fatigue
• medication effects
• slower processing speed
• mild cognitive impairment or dementia
• heightened anxiety, particularly in formal settings

Importantly, these factors affect how information is communicated, not necessarily whether the information is true.

When investigators fail to adapt their approach, inconsistencies may be introduced that are later (incorrectly) attributed to the witness’s age.

Elderly Victims vs Elderly Witnesses: Is There a Difference?

There is overlap in approach, but the context and risks differ.

Elderly victims

Elderly victims may be dealing with:

• trauma (recent or historic),
• dependency on carers or family members,
• fear of retaliation or loss of support,
• shame or reluctance to report abuse.

Common examples include financial exploitation, neglect, family violence, or institutional abuse.

Elderly witnesses

Elderly witnesses may not be personally harmed but may:

• feel pressure due to formal legal processes,
• worry about “getting it wrong”,
• experience stress when questioned aggressively,
• disengage if treated dismissively.

In both cases, rapport, respect, and structure are essential.

Preparing for the Interview: Setting the Conditions for Success

Choose the right environment

The interview setting matters more than many investigators realise. Best practice includes:

• a quiet room with minimal background noise
• good lighting without glare
• seating that allows face-to-face conversation at eye level
• space for mobility aids
• removal of physical barriers such as large desks

Where appropriate, conducting the interview in a familiar location (such as the person’s home or a community facility) may improve comfort and recall.

Timing matters

Older adults may experience:

• fatigue later in the day,
• medication cycles that affect concentration,
• reduced tolerance for long interviews.

Investigators should:

• ask when the person feels most alert,
• plan shorter sessions with breaks,
• be open to multiple interviews if required.

Conducting the Interview: What Works (and What Doesn’t)

Start with rapport, not questions

Many older people feel dismissed or rushed by professionals. Taking time to:

• introduce yourself clearly,
• explain your role and purpose,
• outline what will happen next,

can significantly improve cooperation and recall.

A calm, respectful tone is not “soft” — it is forensically effective.

Use open-ended, non-suggestive questions

As with child forensic interviewing, research consistently shows that open narrative produces the most reliable information.

Effective examples include:

• “Can you tell me, in your own words, what happened?”
• “What do you remember about that day?”
• “You mentioned X — can you tell me more about that?”

Avoid:

• rapid-fire questioning,
• interrupting narratives,
• multi-part questions,
• leading or assumptive language.

When clarification is required, phrases such as “Help me understand…” are preferable to confrontation.

One idea per question

Cognitive load matters. Questions that bundle multiple concepts (“Where were you, who was with you, and what time was it?”) can overwhelm and confuse.

Instead:

• ask one question at a time,
• pause and allow processing time,
• check understanding without patronising.

Safeguards When Cognitive Impairment Is Present

Some elderly interviewees may have mild cognitive impairment or dementia. This does not automatically render their evidence unreliable, but it does require additional safeguards.

Best practice includes:

• shorter interviews,
• simpler sentence structure,
• frequent breaks,
• avoiding hypothetical questions,
• confirming understanding gently.

Where capacity is genuinely in doubt, investigators must consider legal and ethical obligations around consent and representation.

Trauma-Informed Interviewing with Elderly Victims

Many elderly victims have experienced cumulative trauma across their lives. A trauma-informed approach recognises that:

• memory may be fragmented,
• emotional responses may appear delayed or muted,
• minimisation is common (“It wasn’t that bad”).

Investigators should avoid interpreting these responses as dishonesty. Courts and inquiries — including findings of the Royal Commission into Institutional Responses to Child Sexual Abuse — have repeatedly highlighted how interviewing style can distort evidence.

Lessons from Courts and Public Inquiries

Judicial criticism frequently focuses not on what an elderly person remembered, but how they were questioned.

Common themes include:

• excessive pressure on vulnerable witnesses,
• confusing or misleading questions,
• failure to accommodate impairment,
• dismissive treatment affecting credibility.

Australian courts have increasingly emphasised the need for procedural fairness and appropriate safeguards for vulnerable witnesses, including older adults.

Applying These Principles in Fraud, Elder Abuse and Workplace Investigations

These risks are especially acute in fraud, elder abuse and workplace investigations, where credibility, consent, dependency, procedural fairness and evidentiary integrity are often central to the outcome.

• Fraud investigations often require careful testing of comprehension, consent and financial understanding without introducing assumption or embarrassment.
• Elder abuse matters demand trauma-informed interviewing, safe interview conditions and careful attention to dependency on carers or family members.
• Workplace investigations require procedural fairness, neutral questioning and the avoidance of age-based assumptions about credibility or capacity.

Across all three contexts, an unstructured, rushed or poorly adapted interview can weaken evidence, increase challenge risk and expose the investigation itself to criticism.

In many matters, the most defensible course is to:

• limit questioning to what is necessary and proportionate,
• document communication needs and safeguards carefully, and
• refer or escalate promptly where specialist, police or legal involvement is required.

Knowing when not to interview is a hallmark of professional judgement.

Key Takeaways for Investigators

• Age does not equal unreliability
• Poor interviewing creates inconsistencies
• Environment, timing, and pacing matter
• Open-ended questioning improves accuracy
• Trauma-informed practice benefits both evidence and wellbeing
• Courts increasingly scrutinise how elderly people are interviewed

Final Thought

Interviewing elderly witnesses and victims is not about lowering standards — it is about applying the right standards.

When investigators adapt their approach thoughtfully, they protect the dignity of the individual and the integrity of the investigation.