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Challenging Delay and Prejudice During Long Investigations

How prolonged investigations can cause prejudice and what can be done.
Andrew Ford – senior solicitor at Holborn Adams criminal defence
Andrew Ford
September 16, 2026
Interview Strategy and Disclosure

Table of Contents

A long investigation often means that months can go by without a charging decision being made. For those facing an allegation, this means prolonged uncertainty and continued stress on employment, reputation, finances, and personal relationships. Understanding your legal position during chronic delay and prejudice at pre-charge can help you decide whether action should be taken, rather than just waiting for the investigation to come to a close.

At Holborn Adams, we take a measured approach to lengthy investigations. We establish what has happened, identify outstanding enquiries, scrutinise the available evidence, and consider whether the delay has caused identifiable prejudice. A carefully prepared pre-charge representation can sometimes encourage a charging decision or invite No Further Action (NFA) where the evidence does not justify prosecution.

chronic delay prejudice pre charge

Key Legal Principles

There is no automatic rule that an investigation becomes unlawful simply because it has taken a long time to close. The circumstances matter. There may be legitimate reasons for delay, especially where there are large volumes of digital material, many witnesses, enquiries overseas, or expert analysis.

The issue becomes more significant if the passage of time has affected the fairness of the investigation or, if charged, the fairness of the trial. Memories may fade, witnesses may become unavailable, documents may be lost, and digital material may become harder to obtain.

A pre-charge solicitor will examine the chronology rather than relying on the length of the investigation alone. That means identifying when the allegation was made, when key enquiries took place, what information has been provided to the police, and what remains outstanding.

The defence can then consider whether representations should be made to the investigating officer, prosecution authority, or the Crown Prosecution Service (CPS). The objective is not simply to complain about delay. It is to explain why the delay matters and what should happen next.

Building a Clear Chronology

A detailed chronology can expose periods of inactivity, repeated extensions, outstanding enquiries, and changes in the investigation. It also provides a useful foundation for any pre-charge solicitors instructed to make representations on your behalf.

What Evidence Really Matters

Delay becomes more important when it causes identifiable prejudice. That prejudice needs to be demonstrated with evidence rather than asserted in general terms.

Examples may include a witness becoming unavailable, a person's recollection materially deteriorating, CCTV being overwritten, electronic records becoming inaccessible, or documents no longer being available. The effect on the defence must be considered alongside the reasons given for the delay.

A lengthy investigation can also create practical difficulties. Employment consequences may continue, professional restrictions may arise, and relationships may be placed under prolonged pressure. Those consequences do not necessarily determine whether criminal proceedings should continue, but they can form part of the wider context.

We review available material against the allegations and identify evidential gaps. This may involve examining messages, emails, financial records, location data, CCTV, telephone records, or other independent material capable of testing the allegation.

The focus remains on reliability. An argument for chronic delay and prejudice at pre-charge is stronger when it can be connected to a specific evidential problem or procedural concern.

Interview Strategy and Disclosure

An extended investigation does not remove the need for careful interview preparation. If the police invite you to attend an interview, advice should be obtained before making any decision about how to respond.

A voluntary interview is still a formal police interview. We review the available disclosure, identify the allegations being investigated, and consider whether the appropriate approach is to answer questions, provide a prepared statement, or exercise the right to silence.

The passage of time can itself become relevant during questioning. If an allegation concerns events said to have happened some time ago, the accuracy of recollections and the reliability of accounts may need careful examination.

Disclosure also remains important. We request material that may assist in understanding the investigation and identify enquiries that appear outstanding. Independent records can sometimes provide a more reliable account of events than recollections formed months or years later.

If material has been lost or can no longer be obtained, we assess whether that loss has created a genuine disadvantage. The significance will depend on what the material was likely to show and how central it was to the issues under investigation.

Making Effective Submissions

A strong representation should do more than state that an investigation has taken too long. It should set out the relevant chronology, identify the evidential position, and explain any prejudice arising from the delay.

We consider the CPS Full Code Test, including whether there is sufficient evidence to provide a realistic prospect of conviction. The submission can address weaknesses in witness evidence, inconsistencies, missing material, alternative explanations, and failures to pursue reasonable lines of enquiry.

The public interest may also need to be considered once the evidential stage is met. A structured submission can invite the relevant authority to make a decision rather than allowing an investigation to continue indefinitely without a clear reason.

The circumstances may justify requesting No Further Action (NFA). In other cases, the appropriate objective may be to seek clarification about outstanding enquiries or obtain a clear timetable for the next stage.

A pre-charge representation should therefore be tailored to the evidence and the procedural history of the particular case. Generic complaints about delay are unlikely to achieve the same result as focused submissions supported by identifiable material.

Next Steps if Charge Proceeds

A charging decision does not minimise the stress caused by the earlier delay. If proceedings are commenced, the chronology and any resulting prejudice may remain relevant to case preparation and the issues raised during proceedings.

At that stage, we assess the prosecution case, disclosure position, and the effect of any missing or compromised evidence. The defence strategy will depend on the allegations, the evidence relied upon, and the procedural history.

Our work remains evidence-first. We organise the case papers, test the prosecution evidence, and identify applications or arguments that may assist the defence. Counsel can be instructed where the complexity of the case requires it.

The objective is to avoid allowing a lengthy investigation to become an unexplained background detail. Its consequences should be assessed properly and, where appropriate, placed before the court or prosecution in a focused way.

How Holborn Adams Works at Pre-charge

  • Evidence-first: We obtain disclosure where available, organise the chronology, and assess reliability.
  • Delay analysis: We identify periods of inactivity, outstanding enquiries, and the reasons given for the investigation's duration.
  • Interview preparation: We review disclosure and offer advice on how to answer questions, make a prepared statement, or exercise the right to silence.
  • Targeted representations: We address evidential weaknesses, prejudice, and the CPS Full Code Test, including submissions inviting NFA.
  • Proactive enquiries: We examine digital records, witness evidence, and independent material that may clarify disputed events.
  • Discreet support: We advise on employment, reputation, and regulatory concerns arising during the investigation.

Practical Cautions

  • Keep records of significant developments and contact with the police
  • Do not contact complainants or witnesses about the allegations
  • Preserve messages, devices, documents, and other potentially relevant material
  • Do not delete or alter records simply because the investigation has been ongoing for a long time
  • Seek advice before attending any voluntary interview
  • Tell your solicitor promptly if circumstances change or new evidence becomes available

How To Move Forward 

Long investigations can become increasingly difficult to manage when no clear charging decision is made. Early, disciplined action can help establish what has happened, identify genuine prejudice, and determine whether that chronic delay and prejudice at pre-charge provide a proper basis for targeted representations.

If the police contact you about an ongoing investigation, or if you have been waiting for a charging decision for a significant period of time, specialist advice can help you understand your position and decide what should happen next.

This article offers general information, not legal advice. For confidential assistance, contact Holborn Adams to speak directly with a solicitor.

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Facing Charges? Email Us
*We are a private firm and, unfortunately, cannot accept legal aid.
Facing Charges? Email Us
*We are a private firm and, unfortunately, cannot accept legal aid.
Andrew Ford | Director | Holborn Adams
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*We are a private firm and, unfortunately, cannot accept legal aid.