Criminal Defense Attorneys Explained: What They Do & How to Choose One

Criminal defense attorney meeting with prospective clients in a modern law office while reviewing legal case files and discussing defense strategy.

Editorial note: This article explains general information about the legal profession and is not legal advice. It’s not a substitute for researching a specific attorney’s credentials or speaking with one directly about your situation.

What Is a Criminal Defense Attorney?

A criminal defense attorney is a lawyer who represents individuals or organizations accused of a crime, from the earliest police contact through investigation, charging, trial, and, if a case gets that far, sentencing. Their role is to protect the accused person’s constitutional rights, challenge the prosecution’s evidence, negotiate on the client’s behalf, and, where appropriate, take a case to trial.

This role exists because the U.S. legal system is adversarial, the prosecution builds a case to prove guilt, and the defense attorney’s job is to test that case at every stage, ensure the process is fair, and advocate for the best realistic outcome for their client, regardless of the underlying facts.

What Does a Criminal Defense Attorney Actually Do?

The work spans far more than a courtroom appearance:

  • Case evaluation — reviewing the evidence, police reports, and charges to assess strengths, weaknesses, and realistic options
  • Protecting your rights during investigation — advising you on what to say (and not say) to police, and representing you during questioning
  • Bail and pretrial release — advocating for reasonable bail conditions or release
  • Plea negotiation — negotiating with prosecutors for reduced charges, alternative sentencing, or diversion programs where available
  • Pretrial motions — challenging evidence, seeking dismissal where the law supports it, and managing procedural deadlines
  • Trial representation — presenting a defense, cross-examining witnesses, and arguing before a judge or jury if the case proceeds to trial
  • Sentencing advocacy — presenting mitigating factors if a conviction results, aiming to minimize the sentence
  • Appeals — challenging a conviction or sentence in a higher court, where grounds exist

For how this plays out in an assault or battery case specifically, see How to Press Charges and What Happens When You Press Charges for the process a defense attorney is navigating on your behalf.

Public Defender vs. Private Criminal Defense Attorney

If you can’t afford an attorney, the U.S. Constitution guarantees you one — a public defender — at no cost. Here’s how the two options generally compare:

Public DefenderPrivate Attorney
CostFree (income-qualified)Hourly or flat fee, varies widely
CaseloadOften high, due to funding constraintsGenerally lower, more time per case
ExperienceOften extensive trial experience, especially in high-volume court systemsVaries by attorney; can specialize narrowly
ChoiceAssigned, not chosenYou select and can interview multiple attorneys
ContinuityMay change between hearings depending on office staffingTypically the same attorney throughout

Neither option is inherently better – many public defenders are highly skilled trial attorneys who simply carry heavier caseloads, while private attorneys offer more choice and often more one-on-one time, at a real financial cost. The right fit depends on your resources, the complexity of your case, and how much direct control you want over who represents you.

When Do You Actually Need a Criminal Defense Attorney?

Common signals that it’s time to get one:

  • You’ve been arrested or formally charged with a crime
  • Police have contacted you as a “person of interest” or requested an interview
  • You believe you’re under investigation, even without formal charges yet
  • You’ve received a grand jury subpoena related to a criminal matter
  • A situation has occurred that you’re concerned could lead to charges

Earlier is almost always better. Statements made to investigators before you have representation can be used against you, and decisions made in the first hours or days of a case — whether to speak, what to say, whether to consent to a search — can meaningfully shape everything that follows.

How to Choose a Criminal Defense Attorney

1. Confirm they handle your specific type of case

Criminal defense is broad — DUI, drug offenses, white-collar crime, violent crimes, and sex offenses often call for different experience and strategy. Ask directly whether they’ve handled cases like yours, and how many.

2. Check their trial experience, not just their caseload

Most cases resolve through plea negotiation, but a prosecutor’s willingness to offer a favorable deal often depends on whether they believe the defense attorney is prepared and willing to go to trial. Ask how often they take cases to trial versus settle.

3. Verify their credentials directly

Don’t rely solely on a firm’s own website. Cross-check:

  • State bar standing — every state bar association has a public attorney lookup tool showing license status and any disciplinary history
  • Board certification — some states offer formal certification in criminal law as a credential beyond basic bar admission
  • Peer-review ratings — Martindale-Hubbell’s “AV Preeminent” rating, for example, reflects a peer-reviewed assessment of legal ability and ethics

4. Understand their familiarity with the local court

An attorney who regularly appears before the specific judges and prosecutors in your jurisdiction often has a practical advantage — established working relationships and knowledge of local practices can meaningfully affect case strategy and outcomes.

5. Ask about fees and structure clearly, up front

Get a clear answer on whether the fee is flat or hourly, what it covers (through plea only, or through trial), and what triggers additional costs. A reputable attorney should be transparent about this in the first conversation, not vague.

6. Pay attention to communication style during the consultation

You’ll likely be working closely with this person during a stressful period. Notice whether they explain things clearly, answer directly, and seem genuinely engaged with your specific situation rather than giving generic reassurances.

7. Watch for red flags

  • Guarantees of a specific outcome (no ethical attorney can promise a result)
  • Pressure to sign immediately without time to think or compare
  • Vagueness about fees or scope of representation
  • Poor communication or slow responses during the initial consultation itself — a preview of what to expect later

How Much Does a Criminal Defense Attorney Cost?

Costs vary enormously based on the severity of the charge, the complexity of the case, whether it goes to trial, and your location. Misdemeanor cases with a flat-fee arrangement might range from a few hundred to a few thousand dollars; complex felony cases, especially those going to trial, can run into tens of thousands of dollars given the time, investigation, and expert witnesses often involved. Many attorneys offer a free initial consultation and, in some cases, payment plans — it’s worth asking directly rather than assuming based on advertised rates alone.

How Attorneys Are Actually Recognized as “Top” in Their Field

There’s no single national ranking of the “best” criminal defense attorneys in America – legal recognition doesn’t work that way, and any list claiming otherwise should be treated with some skepticism. Instead, credible recognition comes from a handful of established, peer-review-based programs, each with a different methodology:

  • Best Lawyers — one of the oldest peer-review publications in the legal profession; recognition is based on an exhaustive peer-review survey reflecting the esteem in which an attorney is held by other top lawyers in the same geographic and legal practice area. Recognition is organized by state and specific practice area (for example, “Criminal Defense: White-Collar” is tracked separately from general criminal defense).
  • Super Lawyers — another peer-review and independent research-based rating system, also organized by state and practice area, published annually.
  • Martindale-Hubbell — issues peer-review ratings, including the well-known “AV Preeminent” designation, reflecting the highest tier of peer assessment for legal ability and ethical standards.
  • Chambers USA — a research-driven ranking, more commonly cited in complex commercial and white-collar litigation, based on interviews with clients and peers.
  • NACDL (National Association of Criminal Defense Lawyers) — while not a ranking service, its membership directory is a useful starting point for finding attorneys specifically dedicated to criminal defense as their practice focus.
  • State bar certification programs — some states offer a formal “board certified in criminal law” credential, which requires passing a specialized exam and meeting experience requirements — a more rigorous, verifiable signal than a marketing claim of “top” status.

The most reliable approach is to search your specific state and practice area (for example, “aggravated assault defense” or “DUI defense”) across two or three of these directories, cross-reference the results, and independently verify bar standing before making a decision — rather than relying on any single “top 20” list, including ones published by other blogs or directories with their own commercial incentives.

Frequently Asked Questions

  1. What’s the difference between a criminal defense attorney and a public defender?

    A public defender is a government-funded attorney provided free of charge to those who can’t afford private representation; a private criminal defense attorney is hired directly and chosen by the client. Both are fully qualified to represent you — the difference is largely about cost, caseload, and choice.

  2. How do I know if a criminal defense attorney is legitimate?

    Check their standing directly through your state bar association’s public attorney lookup tool, which shows license status and any disciplinary history — this is more reliable than testimonials or marketing claims alone.

  3. Is a more expensive attorney always better?

    Not necessarily. Cost often reflects experience, case complexity, and local market rates rather than being a direct measure of skill. A track record with cases like yours, clear communication, and verified credentials matter more than price alone.

  4. Can I switch attorneys if I’m not satisfied?

    Generally yes, though timing matters — switching close to a trial date can create complications. If you’re considering it, raise the concern with your current attorney first and understand any fee implications before making the change.

Related Reading

  • Do You Need a Lawyer for an Assault or Battery Charge?
  • Do You Need a Lawyer to Press Charges?
  • Is Assault a Felony or Misdemeanor?
  • How to Press Charges: Step-by-Step

Carolina Joy

Carolina Joy is a legal writer, author, and content strategist focused on legal news, lawsuits, regulatory developments, and court decisions across the United States. With a passion for simplifying complex legal topics, he produces accurate, engaging, and reader-friendly content that helps audiences stay informed about evolving legal issues. His work covers civil litigation, personal injury law, consumer protection, employment law, class actions, and other significant legal matters affecting individuals and businesses.