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Day 1: Understanding the Basics: What is Criminal Law?

Understanding the Basics: What is Criminal Law?

Michael Tamou, Arizona criminal defense attorney

Michael Tamou

Founding Attorney · Criminal Defense

5.0 · Criminal Defense

Every criminal case in Arizona runs on the same basic framework — here’s a straightforward breakdown of how criminal law actually works, before you need it.

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Michael Tamou, Arizona criminal defense attorney

Michael Tamou

Founding Attorney · Criminal Defense

★★★★★ 5.0 · Criminal Defense

Written and legally reviewed by Michael Tamou, Founding Attorney of Tamou Law Group, PLLC.

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As Seen On NBC News, USA Today, Digital Journal, AZ Central, Lamar, ABC News, Fox News

Recognized By

NTL Top 100 Trial LawyersNTL Top 40 Under 40 Trial LawyersElite Lawyer 2026 Criminal DefenseNational College For DUI DefenseDUI Defense Lawyers Association2025 Super Lawyers Southwest

Understanding the Basics: What is Criminal Law?

Criminal law is a body of regulations and statutes that describes conduct that is prohibited by the government because it threatens and harms public safety and welfare. The primary purpose of these laws is to set forth the punishment to be imposed upon those who disobey them. Unlike civil law, which involves private disputes between parties, criminal law is explicitly concerned with punishing wrongdoings that are detrimental to society as a whole, not just to individual victims. The state or federal government, represented by a prosecutor or district attorney, is responsible for initiating and pursuing a case against a defendant in a criminal court.Criminal Acts and the LawCriminal acts are divided into two broad categories: felonies and misdemeanors. Felonies are the more severe type of crime and include serious offenses such as murder, rape, armed robbery, and fraud. Convictions for these types of crimes often result in imprisonment for over a year. On the other hand, misdemeanors are less severe crimes, such as petty theft or jaywalking, and they usually result in fines, community service, or imprisonment for less than a year.Due Process and Rights of the AccusedA cornerstone of the criminal justice system in the United States is the concept of “due process.” This ensures that the rights of an individual accused of a crime are protected and that the person is treated fairly and justly by the legal system. Due process guarantees include the right to a fair and public trial, the right to legal counsel, the right to remain silent, and the right to be free from unreasonable searches and seizures.Arizona ExamplesCriminal law is the system of laws that relates to crime. It proscribes conduct perceived as threatening, harmful, or otherwise endangering the property, health, safety, and moral welfare of people. In the state of Arizona, like in all states across the country, criminal law is enforced at both the state and federal levels. Let’s consider a hypothetical Arizona case to illustrate this. Imagine an individual, let’s call him John, has been arrested on charges of armed robbery, which is considered a felony under Arizona law (Arizona Revised Statutes § 13-1904). If found guilty, John could face significant prison time, as armed robbery is considered a serious offense in Arizona. Now let’s imagine another scenario. This time, John has been charged with shoplifting items worth less than $1,000 from a local store. Under Arizona law (Arizona Revised Statutes § 13-1805), this is considered a misdemeanor, not a felony. The penalties for this crime are less severe, often resulting in fines, probation, or short-term imprisonment. These examples illustrate the two broad categories of crimes under criminal law: felonies and misdemeanors. Felonies are more serious crimes that typically involve violence, such as murder, rape, or armed robbery, and they carry stiffer penalties. Misdemeanors are less serious crimes, like petty theft or jaywalking, which usually result in fines or short-term imprisonment. Remember, the purpose of criminal law is not just to punish but also to deter potential criminals, rehabilitate those who have committed crimes, and offer restitution to victims. Each state has its own set of criminal laws, and there are also federal criminal laws that apply across the country. In our following blog posts, we’ll delve into the specifics of different types of crimes, defenses, legal processes, and more, with a focus on Arizona law. Stay tuned to learn more about the fascinating world of criminal law! Please remember, this blog is meant to be informative but does not constitute legal advice. If you or someone you know is dealing with a legal issue, consult with a professional attorney for guidance.In ConclusionCriminal law is a complex and vital field that ensures the safety and security of our society. Its purpose extends beyond punishment, as it also aims to deter potential criminals, rehabilitate those who have committed crimes, and make restitution to victims. This was just a brief introduction to criminal law. In the upcoming days, we’ll be taking a closer look at various types of crimes, defenses, legal processes, and much more. Stay tuned to learn more about the fascinating world of criminal law. Please remember that while this blog is meant to be informative, it does not constitute legal advice. If you or someone you know is dealing with a legal issue, please consult with a professional attorney for guidance.

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Case Results Disclaimer: The results described on this page are based on specific facts and circumstances and do not guarantee or predict a similar outcome in any future case. Every case is different. Past results do not guarantee future results. No attorney-client relationship is formed by viewing this page or submitting a contact form until a written fee agreement has been signed. Tamou Law Group, PLLC is licensed to practice law in the State of Arizona. This website is for informational purposes only and does not constitute legal advice.

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