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The Role of a Criminal Defense Attorney in Plea Bargaining

The Hardin Law Firm LLC June 4, 2025

Plea Bargain folder with gavelIn the American criminal justice system, plea bargaining plays a pivotal role in the resolution of criminal cases. Rather than proceeding to trial, the vast majority of criminal cases are resolved through plea agreements. Missouri, like other states, relies heavily on this mechanism to manage caseloads and allocate judicial resources. 

At the heart of the plea bargaining process stands the criminal defense attorney, whose responsibilities are critical to making sure that the accused receives fair treatment and is fully informed about the consequences of entering a plea. 

Reviewing the involvement of a criminal defense attorney in plea bargaining is crucial for understanding the outcome of criminal cases. The Hardin Law Firm LLC, located in St. Louis, Missouri, is committed to helping you with difficult legal issues. Here are the essential functions of a criminal defense attorney during plea bargaining.

Missouri Laws Surrounding Plea Bargaining

Missouri law doesn’t outline a specific statute exclusively governing plea bargains; rather, plea bargaining is allowed under general criminal procedural rules and has been shaped largely by case law and court practices. 

Missouri Supreme Court Rule 24.02 governs the acceptance of guilty pleas, requiring that such pleas be made voluntarily, knowingly, and intelligently. The rule mandates that a defendant be advised of the nature of the charge, the consequences of the plea, and the rights being waived.

Defense attorneys play a crucial role in confirming that the court’s obligations under Rule 24.02 are met. They must make sure that the plea isn’t coerced and that the defendant comprehends the implications.

Furthermore, Missouri courts maintain discretion in accepting or rejecting plea agreements, meaning defense counsel must present plea deals in a persuasive and legally sound manner.

Types of Plea Agreements

In Missouri, plea bargains can take several forms:

  • Charge bargaining: where the defendant pleads guilty to a lesser charge than originally filed.

  • Sentence bargaining: where the defendant pleads guilty in exchange for a lighter sentence.

  • Fact bargaining: where certain facts are agreed upon or omitted to influence sentencing.

Defense attorneys must assess which type of agreement best serves their client’s interests and negotiate accordingly.

The Function of a Defense Attorney in Plea Negotiations

During plea negotiations, a criminal defense attorney in Missouri performs several crucial functions, including case evaluation, client education, negotiation with prosecutors, confirming ethical compliance, and mitigation and sentencing advocacy.

Case Evaluation

The first role of a criminal defense attorney is to thoroughly evaluate the facts and evidence of the case. This includes reviewing police reports, interviewing witnesses, examining forensic evidence, and identifying procedural flaws or constitutional violations. 

In Missouri, as in other states, discovery rules allow defense counsel access to much of the prosecution’s evidence before trial. A well-informed attorney is better positioned to assess the strength of the prosecution’s case and advise the client on whether a plea deal is a wise option.

Defense attorneys must determine:

  • The likelihood of conviction at trial.

  • The potential penalties upon conviction.

  • The availability and viability of defenses.

  • The likelihood of exclusion of evidence due to procedural or constitutional violations.

This evaluation allows the attorney to advise the client whether to proceed to trial or accept a plea bargain.

Educating and Advising the Defendant

Plea bargaining involves the waiver of several fundamental rights: the right to a jury trial, the right to confront witnesses, the right against self-incrimination, and the right to be presumed innocent until proven guilty. The defense attorney’s role includes explaining these rights and making sure the defendant’s decision is informed and voluntary.

In Missouri, courts often rely on the defense attorney’s certification that the client understands the plea. Therefore, defense counsel must carefully review with the client:

  • The terms of the plea agreement.

  • The factual basis for the plea.

  • The sentencing implications, including any mandatory minimums.

  • Collateral consequences such as immigration impact, loss of civil rights, or sex offender registration.

Attorneys must take extra care when representing vulnerable clients, such as juveniles, non-native English speakers, or individuals with mental health issues, confirming comprehension and capacity.

Negotiation with Prosecutors

A central role of the defense attorney in Missouri plea bargaining is engaging in negotiations with prosecutors. These negotiations are often informal and depend heavily on the relationship and reputation of the attorney. 

A seasoned attorney who knows the local prosecutor’s office, the preferences of particular judges, and local sentencing trends is better equipped to secure favorable deals.

The negotiation process includes:

  • Presenting mitigating factors, such as the defendant’s lack of criminal history or rehabilitation efforts.

  • Pointing out weaknesses in the prosecution’s case.

  • Offering cooperation or restitution in exchange for leniency.

  • Arguing for diversion programs or deferred adjudication when appropriate.

In some Missouri jurisdictions, formal pre-plea negotiations occur during “plea dockets” or “settlement conferences,” where defense attorneys and prosecutors meet to resolve cases before setting trial dates.

Ensuring Ethical Compliance

Missouri defense attorneys are bound by ethical rules governing client advocacy, confidentiality, and candor to the court. During plea bargaining, attorneys must balance their duty to advocate zealously with their obligation to make sure the defendant's plea isn’t based on misinformation or coercion.

Attorneys can’t:

  • Knowingly allow a client to enter a false plea.

  • Mislead the court about the terms of a plea agreement.

  • Force a client to accept a plea against their will.

The Missouri Rules of Professional Conduct provide guidance on these ethical responsibilities. For instance, Rule 4-1.2(a) stipulates that while the lawyer may recommend or suggest a plea, the decision to accept it belongs to the client.

Mitigation and Sentencing Advocacy

Even after a plea agreement is reached, the defense attorney’s job isn’t over. In many plea agreements, the sentence is left to the discretion of the judge. In such cases, defense counsel must prepare for a sentencing hearing by presenting mitigating evidence.

This may include:

  • Character witnesses.

  • Letters of support from family and community members.

  • Documentation of employment or educational achievements.

  • Mental health or substance abuse evaluations.

  • Proposals for alternative sentencing (e.g., probation, treatment programs).

In Missouri courts, persuasive sentencing advocacy can significantly impact outcomes, especially in open pleas where the judge determines the sentence within the statutory range.

The multifaceted role of the defense attorney in Missouri's plea bargaining process is essential for upholding fairness and protecting the rights of the accused within a system that heavily relies on negotiated resolutions.

Challenges and Criticisms of Plea Bargaining in Missouri

Plea bargaining, while central to the resolution of criminal cases in Missouri, faces several challenges and criticisms, including the potential for coercion, the inequality of bargaining power between prosecution and defense, and the limitations of the public defense system.

Coercion and Pressure

One of the most significant criticisms of plea bargaining is the potential for coercion. Defendants may feel pressured to plead guilty to avoid harsher sentences, even when they’re innocent. Missouri’s criminal justice system, with its overcrowded dockets and underfunded public defender system, creates environments where expediency can overshadow justice.

Defense attorneys must guard against such coercion and confirm that the plea truly reflects the client’s informed choice rather than fear or desperation.

Inequality of Bargaining Power

In Missouri, as elsewhere, prosecutors often have greater resources and leverage, including the ability to file multiple charges or enhance penalties. This can lead to disproportionate outcomes, especially for marginalized defendants.

Experienced defense attorneys must work to level the playing field by:

  • Investigating thoroughly.

  • Filing pretrial motions to suppress evidence or dismiss charges.

  • Using publicity or community support to pressure for leniency.

Limitations of Public Defense

Missouri has faced persistent challenges with its public defender system, including high caseloads and limited funding. Overworked attorneys may not have adequate time to investigate cases or negotiate optimal pleas. This can lead to suboptimal outcomes for defendants who rely on public defenders.

Efforts have been made to reform Missouri’s system, but disparities remain. Private defense counsel often have more time and flexibility to handle plea bargaining comprehensively.

Reforms and the Future of Plea Bargaining in Missouri

Plea bargaining is central to the American criminal justice system, particularly in Missouri, where criminal defense attorneys play a vital role. Their involvement is crucial for understanding criminal case dynamics and results in Missouri.

Calls for Transparency

There is growing momentum for greater transparency in Missouri’s plea bargaining process. Critics argue that the lack of formal guidelines leads to inconsistent outcomes. Defense attorneys are increasingly advocating for the recording of plea negotiations and greater judicial oversight.

Expanded Diversion Programs

Missouri counties are expanding alternatives to traditional prosecution, such as drug courts, veterans courts, and mental health courts. Defense attorneys play a key role in guiding eligible clients into these programs and confirming compliance.

Legislative Reforms

Recent legislative efforts in Missouri have aimed at reducing mandatory minimum sentences and expanding parole eligibility. These changes give defense attorneys more leverage in plea negotiations and sentencing advocacy.

Despite challenges and criticisms, reforms and legislative changes are influencing Missouri's plea bargaining future. The dedicated representation of defense attorneys remains key to achieving fair outcomes in this negotiation-heavy system.

The criminal defense attorney’s role in plea bargaining in Missouri is multifaceted, demanding legal experience, negotiation skills, and ethical judgment. From evaluating evidence to advising clients and negotiating with prosecutors, defense attorneys are essential to making sure that plea agreements are fair, informed, and in the best interest of the accused.

Dedicated Legal Representation

Given the dominance of plea bargaining in the Missouri criminal justice system, the quality and diligence of defense representation can significantly affect outcomes. Attorney Steven Hardin is dedicated to helping you with plea bargaining. The Hardin Law Firm LLC serves clients throughout the greater St. Louis, Missouri area. Call today for a consultation.