Written 18th August 2015 by Matthew Claughton
Why proactive defence is critical in sexual offence investigations
Being investigated does not mean you will be charged. The outcome of a sexual offence case is often shaped long before any charging decision, and effective defence work during the investigation can influence whether a charge is ever brought. That is what proactive defence means, and it is where Olliers concentrates its effort.
Facing a sexual offence allegation is one of the most distressing situations a person can experience. Liberty, reputation, employment, family life and friendships can all feel at risk. But a police investigation is not a fixed process leading inevitably to prosecution: it is a developing assessment of evidence, and decisions made during this stage can be influenced.
If you are unsure how the process begins, our guide on what happens after a sexual offence allegation is made explains the early stages.
The team at Olliers has huge levels of experience of defending allegations of sexual offences. They can range from allegations of rape, sexual assaults, allegations that are historical in their nature, grooming offences, Communications offences, offences involving allegations of indecent images. We frequently represent professionals, individuals involved in education, the medical profession, the care sector, we may act for people who are alleged to have committed offences during a relationship. We frequently act for young persons who are facing allegations. A number of our Specialists deal with allegations involved in trafficking and prostitution we also have Specialists who deal with applications to vary or discharge sexual offence prevention orders and sexual harm prevention orders.
Following an interview at a police station there’s an awful lot that can be done on behalf of someone who’s facing an allegation of any kind of sexual offence the first thing to do is to consider what material can be obtained that may undermine or contradict the allegations that were put to our client during an interview. It’s at that point that we would look to instigate pre-charge engagement with an investigating officer and that is with a view to making representations against charge, arguing the charging standard that governs the decision to charge is not met because either there is not a realistic prospect of a conviction or that a prosecution is not in the public interest. The kind of material that the defence would obtain on behalf of the client would vary from case to case, not only the allegation but the facts of the case but it may include messaging between parties, whether that be text messaging, electronic messaging of other kind. It may involve social media activity, we may look at banking and financial transactions, there may be CCTV material that’s relevant, there may be witnesses that can be spoken to, there could be third party material, there could be material in other proceedings that’s relevant to an offence. So there’s a whole host of material that can be obtained and investigated in relation to any kind of sexual allegation. The message at Olliers is if there’s anything that you think is relevant to your defence then you tell us and then we will decide whether that should be put to the police during the course of pre-charge engagements, or whether it should form part of representations against charge.
A historic sexual offence is a term that’s used to describe an allegation that happened some considerable time ago, and in many cases decades ago. These may be allegations of rape or sexual assaults, may be allegations involving children and one complicating factor is they may be allegations governed by legislation it’s no longer in force. The key feature if you’re facing an allegation of historic sexual offences is to make contact with a specialist lawyer at the earliest possible opportunity so that you can be provided with the advice and support, whether that be during the investigation stage or if you are already being prosecuted.
The decision to prosecute is made in accordance with the charging standard, which is contained within the Code for Crown Prosecutors and under the charging standard for prosecution to take place there must firstly be a realistic prospect of a conviction and secondly a prosecution must be in the public interest. It’s the role of the defence during the pre-charge stage of the case to firstly become actively involved in pre-charge engagement with the police and secondly at the conclusion of that process to prepare and submit effective representations against charge, arguing either that there is not a realistic prospect to the conviction or that the prosecution is not in the public interest.
Absolutely if you face any allegation of a sexual offence then the Olliers team will represent you. We have a huge level of experience and we can ensure that the right person is allocated to the right client every single time.
What is proactive defence?
Proactive defence means taking active steps at the earliest stage of an investigation to protect your position and challenge the allegation. Rather than waiting to react to a charge, a proactive approach focuses on:
- Identifying evidence that supports your account
- Challenging inaccuracies or misunderstandings early
- Presenting material to the police before charging decisions are made
- Ensuring your version of events is properly considered
In many cases this work takes place during pre-charge engagement, a process in which your solicitor communicates directly with investigators as an investigation progresses. Read more in pre-charge engagement and sexual offences.
Why early intervention can change the outcome
At the investigation stage, the police and the CPS are asking one question: is there a realistic prospect of conviction? That decision depends entirely on the evidence available at the time (see our charging guidance). If relevant material is missing, misunderstood or presented too late, a case may proceed unnecessarily, and by the time a charge is brought the position is much harder to reverse.
A proactive defence will highlight weaknesses in the allegation early, direct lines of enquiry, provide alternative explanations supported by evidence, prevent important material being overlooked, and influence whether a case proceeds to charge at all.
We will always look to initiate early pre-charge engagement, followed by comprehensive representations against charge, arguing that the charging standard in the Code for Crown Prosecutors is not met because there is no realistic prospect of conviction, and that the case should be NFA’d (no further action).
If you are under investigation it also helps to understand pre-charge bail in rape cases and how long restrictions can apply.
The importance of evidence, and acting quickly
Modern sexual offence investigations often rely heavily on mobile phone data and messaging, social media activity, CCTV or location information, third-party records, and medical or forensic evidence. This material is not always preserved indefinitely: messages can be deleted, footage overwritten, digital records harder to access over time. Delay can lead to lost evidence.
A proactive approach ensures relevant material is identified early, preserved, and presented in a way that supports your defence. Understanding the role of medical and forensic evidence in rape allegations or of digital evidence can be crucial in shaping a case.
Challenging assumptions at an early stage
Sexual offence investigations are complex and highly sensitive, and early assumptions can shape the direction of an enquiry. Without early legal involvement, lines of enquiry may remain untested, context may be missed, and evidence may be interpreted in a one-sided way. A proactive defence ensures the investigation considers all relevant material, your account is properly represented, and inconsistencies or gaps in the allegation are identified.
This is particularly important where consent is central: our guide on how the law defines consent in rape cases explains how these issues are assessed.
False or misleading allegations
Not every allegation is straightforward. Cases can arise from misunderstandings, relationship breakdowns, external pressures or incomplete accounts of events. A reactive approach risks allowing a narrative to develop unchallenged; a proactive strategy examines the background to the allegation, tests the reliability of the account, and identifies evidence that contradicts or undermines the claim.
Investigations can be long and uncertain
Sexual offence investigations can take months or even years, with bail conditions or restrictions, uncertainty, and significant personal and professional impact along the way. Taking control early makes a substantial difference, both legally and practically.
Our approach at Olliers
At Olliers we are known for an early, proactive and strategic approach to defending sexual offence allegations. We do not wait for events to unfold: we take control, pre-empt issues and build a defence strategy from day one. Our focus is always to intervene as early as possible, identify and secure key evidence, make effective pre-charge representations, and prevent cases progressing where appropriate.
We are ranked as a top tier defence and regulatory firm by the Legal 500 and the Chambers Guide. In 2025 we won Crime Team of the Year at the Manchester Legal Awards for the eighth time since 2011, and we are a Times Best Law Firm 2026. Our Managing Director Matthew Claughton is the 2023 Legal 500 Northern Powerhouse Criminal Lawyer of the Year and the only two-time Partner of the Year at the Manchester Legal Awards. Our team places huge emphasis on the pre-charge stage of a case, with hundreds of successful outcomes where investigations have been stopped in their tracks. We also bring detailed understanding of complex and sensitive allegations, including grooming and group-based exploitation cases and historic cases.
When should you seek advice?
As soon as you become aware of an allegation, including if:
- You are contacted by the police
- You are asked to attend an interview, voluntary or under arrest
- You become aware that someone has made a complaint
- You have already been interviewed and released, and now want to do something about it
Early advice does not make a situation worse; it helps you take control of it.
If you or someone close to you is facing a sexual offence allegation, contact our specialist team in confidence.
Contact Olliers Solicitors – specialist proactive sexual defence lawyers
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Olliers’ Managing Director Matthew Claughton is an outstanding criminal defence lawyer ranked by the Legal 500 2026 as a top tier practitioner in criminal law as well as the Northern Powerhouse Criminal Lawyer of the Year 2023. He has won the Manchester Legal Awards Partner of the Year twice.