The right to silence is one of the most important protections in Australian criminal law. It means that, in most circumstances, a person suspected or accused of an offence cannot be compelled to speak to police, answer questions, or give evidence that may incriminate them. The protection exists across all Australian states and territories, but it isn't absolute, and people frequently misunderstand its scope or give it away before they've had a chance to think.
What the right to silence actually covers
At its core, the right to silence has two distinct limbs. The first applies before and during police questioning: you are not legally required to answer questions put to you by police, except in specific situations. The second applies at trial: you cannot be forced to take the witness stand and give evidence against yourself.
These two limbs work together. A police interview is not a conversation. It's a formal evidence-gathering process, and anything you say can be used against you in court. The right to silence gives you the legal authority to decline to participate in that process without being penalised for the refusal itself.
It's worth being clear about what the right does not cover. You must still provide your name and address when lawfully required to do so. You must comply with orders to provide a breath sample, a blood sample, or a drug test in road-related contexts. Courts and tribunals can also have different rules from the street or the police station, so the right doesn't operate the same way in every setting.
How the right to silence operates in a police interview
When police want to question a suspect, they are required to caution that person before questioning begins. In New South Wales, the caution must inform you that you are not obliged to say anything, but that anything you do say may be used in evidence. This is not a formality. It's a meaningful warning that the interview is adversarial, not collaborative.
Most criminal lawyers advise clients to exercise the right to silence at the police interview stage. The reason is straightforward: you don't yet know the full strength of the prosecution's evidence, and even an innocent person can inadvertently say something that complicates their defence. Giving a statement that contradicts witness evidence, CCTV footage, or phone records is a common way people damage their own case before they've had any legal advice.
Ann Valos Criminal Law Specialist consistently advises anyone who contacts the firm after being arrested or asked to attend a police interview to exercise the right to silence and seek legal advice first. That advice applies whether the person believes they are guilty, innocent, or uncertain about either.
Can staying silent be used against you?
This is one of the most common questions about the right to silence. In most Australian jurisdictions, the fact that you exercised your right to silence cannot be used as evidence of guilt at trial. Courts cannot invite a jury to draw an adverse inference simply because you refused to answer police questions.
New South Wales introduced a partial exception under the Evidence Amendment (Evidence of Silence) Act 2013. Under that legislation, if you are charged with a serious indictable offence, failed to mention something to police that you now rely on in your defence, and a lawyer was present when you were questioned, a judge can give a "silence direction" to the jury. The jury may be told that they can consider your earlier silence when evaluating the credibility of the evidence you now rely on.
This exception is significant, but it's narrower than it sounds. It only applies to serious indictable offences, only where a lawyer was present, and only where you're relying on something at trial that you didn't mention when questioned. It doesn't turn silence into proof of guilt. It just allows the jury to factor in the timing of your explanation.
The right to silence and children
Children questioned by police in Australia retain the right to silence. Most states and territories also require a parent, guardian, or independent person to be present before police can question a child suspect. This additional protection exists because young people are more susceptible to the pressures of a police interview and less likely to understand the consequences of what they say.
If your child has been asked to attend a police interview, contacting a criminal lawyer before any questioning takes place is the most important step you can take.
Exercising the right: what to actually say
You don't need an elaborate explanation to exercise the right to silence. A clear, polite statement is enough. Something like: "I'm not going to answer questions without speaking to a lawyer first." You don't need to justify that position or apologise for it. You are exercising a legal right, not being uncooperative in any legally relevant sense.
Avoid engaging in informal conversation before or after stating that position. Police are trained to use casual conversation to elicit information that isn't given in formal questioning. Anything you say, in the car, in the waiting area, or on the phone, can potentially be relied upon.
Our article on what to say when police ask questions covers the specific language and steps in more detail, including what happens at the police station and how to handle yourself in common scenarios.
When to get legal advice
The right to silence is most valuable when you know you have it and when you exercise it early. Waiting until after you've answered questions is too late. If police contact you, if you're arrested, or if you're asked to attend a station "for a chat," those are all moments that call for legal advice before anything else.
Understanding what to do in the first 24 hours after arrest can be the difference between a manageable situation and one that's significantly harder to defend. The decisions made in that window matter more than most people realise.
Ann Valos Criminal Law Specialist is an accredited criminal law practice with over 15 years of experience advising clients across New South Wales. If you've been contacted by police or are facing charges, contact Ann Valos Criminal Law Specialist directly to discuss your position before making any decisions.

