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First Degree Murder in Arizona | A.R.S §13-1105

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First Degree Murder in Arizona | A.R.S §13-1105

By DM Cantor, a Top-Ranking Criminal Defense firm in Arizona for the last 6 years in a row by Ranking Arizona Magazine!  (2020, 2021, 2022, 2023, 2024, 2025)

The Best Arizona Criminal Defense Lawyer - Ranking Arizona Logo- DM Cantor
DM Cantor, Best Criminal Defense, DUI and Sex Crimes Lawyer in Arizona

DM Cantor’s Board Certified Criminal Law Specialists (Left to Right) Managing Partner, Christine Whalin; Founding Partner, David Michael Cantor

Over 165 Complete Criminal Jury Trial Acquittals (i.e., Not Guilty on All Charges).  The most in Arizona history by a single law firm!

Plus an additional 1,000+ Assault/Violent Crimes Pre-Indictment “Turn-Downs,” Dismissals, and Charge Reduction Assault/Violent Crime Victories!

Beware of Assault/Violent Crimes Defense “Pretenders”:  Any law firm or Attorney can have DM Cantor’s Phoenix First-Degree Murder Crimes Attorney and Assault/Violent Crimes Lawyer website information re-written by artificial intelligence (AI), and then they can post it online as their own “knowledge base.”  But they cannot falsely list our Jury Trial Complete Acquittals, or Board Certifications as their own.  Also, many Attorneys claim that they “Specialize” in defending Assault/Violent Crimes charges or Criminal Defense, but only a “Board-Certified Criminal Law Specialist” is allowed by the State Bar of Arizona to use this title as their own, per the Arizona Board of Legal Specialization.

Board Certified Criminal Law Specialization

Board Certified Specialists | Top Phoenix Sex Conduct Lawyer

As of the start of 2025, the State Bar of Arizona Board of Legal Specialization listed only 62 Criminal Law Specialists in the entire State.  Of these 62, only 41 are located in Maricopa County and are allowed to handle private cases.  DM Cantor has 2 Board-Certified Criminal Law Specialists, no other law firm in Arizona has more.  When defending First-Degree Murder Allegations, it is critical to have as many Board-Certified Criminal Law Specialists on your Legal Team as is possible.

The Specialization process is so rigorous that only 34 current Criminal Law Specialists were Certified since the turn of the Century!  In addition, all Specialists must be approved for Re-Certification every 5 years.  At DM Cantor, our 2 Board Certified Criminal Law Specialists have conducted Jury Trials on countless First-Degree Murder cases.

Every Major Felony First-Degree Murder case defended by DM Cantor includes at least 1 Board Certified Criminal Law Specialist on the legal team who is directly handling or supervising the Defense.

We wouldn’t have it any other way.

The Best Phoenix First-Degree Murder Law Team in Arizona

How do you know who has the best First-Degree Murder Legal Defense Firm in Arizona?  You begin by looking at the team’s experience.  David Michael Cantor is a former Prosecutor, and a highly experienced First-Degree Murder in Arizona Attorney who became a member of the Arizona State Bar in 1989.  David then began his Arizona legal practice as an Assistant City Prosecutor for the City of Phoenix.  Considered as one of the Top First-Degree Murder Defense Lawyers in Arizona, he then founded his own Criminal Defense firm and Arizona First-Degree Murder Defense Team, DM Cantor.

David is a highly-skilled First-Degree MurderDefense Lawyer who knows the First-Degree Murder laws backward and forward, and he will vigorously fight the Arizona State Attorney General or County Prosecutor on your behalf. Phoenix First-Degree Murder Lawyer, and Criminal Defense Attorney David Cantor, wrote this webpage in order to give you an Arizona First-Degree Murder overview as to how the DM Cantor Phoenix First-Degree Murder Attorney Defense Team can prove your Innocence if you have been Falsely Accused of First-Degree Murder. So whether you have a single First-Degree Murder charge, or multiple charges, contact DM Cantor today!

In addition to Phoenix area experience, you next look to the First-Degree Murder Defense Lawyer’s Results and Certifications.  In addition to David Cantor being a Board-Certified Criminal Law Specialist, his partner (Christine Whalin) is also a Certified Criminal Law Specialists as well.  No other Arizona Criminal Defense Firm has as many Complete Jury Trial Acquittals as DM Cantor.  Click on the link below to see Questions to Ask when Interviewing a First-Degree Murder Attorney to represent you in your Court case.

Beware: Be very cautious of visiting with a Criminal Law Firm who has you meet with a Non-Attorney Salesperson, rather than a Licensed Attorney.  They will then try to sell their “legal services,” even though they are not allowed by the State Bar of Arizona to give legal advice.  DM Cantor always has you meet with one of the Partners and Certified Criminal Law Specialists in our office when consulting us regarding a First-Degree Murder charge.

What is First-Degree Murder in Arizona?

In Arizona, per A.R.S §13-1105 “First-Degree Murder” occurs when a person who is intending (or knowing) that his conduct will cause the death of another person, actually does cause the death of another person, with premeditation.

In addition, First-Degree Murder can be charged when a death occurs during the commission of certain felonies, called the “Felony Murder Rule.” These felonies include: Sexual Conduct with a MinorSexual AssaultChild Molestation; Terrorism; certain Marijuana and Dangerous Drugs offenses which exceed the statutory threshold amounts and involve the use of minors; Drive-By Shooting; Kidnapping; Burglary; Arson; Robbery; certain types of Escape; Child Abuse; and Unlawful Flight from a Pursuing Law Enforcement Vehicle.

The death may not be intentional, it could be totally accidental and the defendant could still be charged with First-Degree Murder, so long as the death occurred in the course of and in furtherance of the offense, or immediate flight thereafter.

Additionally, the defendant need not even be the person who caused the death; felons are responsible for any deaths that occur during the felony, regardless of who caused it. For example, one of the defendants’ co-felons shot an innocent bystander, or a bank security guard accidentally shot an innocent bystander while attempting to shoot the defendant robbing the bank; the defendant can be charged with Felony Murder in both situations. Additionally, anyone who is involved in the commission of the felony, not matter how slight their involvement is in the offense, is liable for any death that results.

For example, if a defendant drove a passenger over to a third person’s house in order to commit a Burglary, and if in the process the passenger subsequently got into an argument inside the house and had to shoot the house owner, the driver waiting outside would be charged with the murder also! This is so even though he was only acting as an accomplice to murder, the “get-away driver” and had no knowledge that either party was armed or that violence would become involved.

Lastly, a crime will always be charged as First-Degree Murder if a person intended or knew that their conduct would cause the death of a police officer, and they did cause the death of a police officer who was in the line of duty.

Contact DM Cantor immediately if you have been charged (or in the pre-charge phase) with First Degree Murder in Arizona. Call our offices at 602-307-0808 for a Free Initial Consultation.


Possible Punishment for First Degree Murder

For conviction of a First-Degree Murder where the date of the murder occurred prior to August 2, 2012, there are only three possible penalties: the minimum sentence is life imprisonment with no possibility of release until twenty-five (25) years of “day-for-day” prison time has been served; “natural life”, which involves life in prison without the possibility of release; and the maximum is “Capital Punishment” (i.e., the Death Penalty).

For a conviction of a First-Degree Murder where the date of the murder occurred on or after August 2, 2012, there are only two possible penalties: the Death Penalty, and natural life in prison.  The most important role of an attorney in a First-Degree Murder case is to attempt to get the prosecutor to take the Death Penalty off of the table. The Death Penalty is the most severe punishment known to man, and takes an extreme toll on the defendant and their family. Skilled negotiators are important to convince the prosecution that the Death Penalty is not warranted.


Possible Defenses for First Degree Murder

The two most often relied upon defenses to First-Degree Premeditated Murder are “Self-Defense” (i.e., Justification) and “Supervening Cause.” Self-Defense argues that the use of deadly force by the defendant was necessary in order to protect himself against the deceased who was using deadly force against him. The “Supervening Cause” defense argues that it was not the defendant’s actions which killed the deceased, that something else actually caused the death. An example of a supervening cause would include a medical error by emergency treating personnel or other medical hospital personnel caused the person’s death, not the bullet from the defendant’s gun.

If the defendant is charged with First-Degree Murder under the Felony Murder Rule, it is very important to vigorously defend against the underlying felony charge. Once the prosecution receives a conviction of the underlying felony, it is extremely easy to convict the defendant of the felony murder associated with it. These cases are so complex that they require a litany of defense experts including private investigators, gunshot residue experts, DNA experts, accident reconstruction experts, and human factors experts. Additionally, it is crucial to hire the best mitigation expert to convince the sentencer why this individual defendant does not deserve the death penalty. David Michael Cantor is “Death Penalty Qualified”. This means he has “first-chaired” and has been substantially involved in Capital Murder Trials in the past.

Because our law firm fights conviction from all angles, we would assert a wide range of murder defenses and challenges to constitutional violations that apply in all criminal cases. The possibilities are numerous and diverse. One of those we frequently assert is a “Miranda rights violation.” In Arizona, the standard of whether any incriminating statement (i.e., a statement which tends to admit guilt) is admissible into evidence is based upon a “voluntariness” standard. If we can demonstrate that the police coerced you (i.e., intimidated or tricked you) into making a confession or inculpatory statement, or that they did not properly read you your Miranda Rights, then we can suppress those statements and any evidence gathered as a direct result of those statements. In addition, the “denial of right to Counsel” is another common defense which is often raised. This occurs when a suspect is in custody and requests to speak to their attorney, but is denied and questioning continues.

Other defenses may include challenging the validity of any search warrant, or whether there were any “forensic flaws” during the investigation of your case. Depending on what else you have been charged with, this could include exposing flawed procedures regarding blood, breath, and urine testing; fingerprints analysis; DNA testing; ballistics; gunshot residue testing; computer analysis/cloning hard drive procedures; forensic financial accounting reviews; etc.. Lastly, one of the most common defense tactics is exposing sloppy or misleading police reports which include everything from misstatements, false statements, flawed photo line-ups and other identification procedures, and inaccurate crime scene reconstruction. It is important to hire a skilled First-Degree Murder lawyer to defend you who has knowledge of all the possible defenses to assert in your case.

The 17 Best First Degree Murder Defenses

Click here… if you have not been charged with First-Degree Murder yet, but the police are in the “pre-charge investigation stage” of your case.

Top Unlawful Flight from Police Lawyer

We are an AV® rated law firm (the highest possible rating by Martindale Hubbell®). Also David Michael Cantor is a First-Degree Murder lawyer in Arizona, and a Certified Criminal Law Specialist, per the Arizona Board of Legal Specialization. In addition, the Firm and all of its lawyers are listed in the Bar Register of Preeminent Lawyers®. At DM Cantor, the majority of our Attorneys are ex-Prosecutors, and all of our First-Degree Murder Lawyers in Arizona know the system well.

The Collateral Consequences Of An First-Degree Murder Conviction

The effects of a First-Degree Murder conviction can be devastating.  Even if a person is to receive Probation with no Jail, or a small Jail or Prison sentence, after they are released there will be lifelong effects on the Defendant.  This can involve Lifetime Probation; job restrictions; apartment/dormitory restrictions or prohibitions; Professional Licenses being Revoked; loss or severe restriction of internet privileges; etc. Check the link below for information regarding what Collateral Consequences you or a loved one might be facing.

Mitigation

When it comes to “Mitigation” regarding a charge of First-Degree Murder, it is important to start that process right away.  Not only can this help us with potentially convincing a Prosecutor to not file charges in the first place, but it may reduce the level of charges that they ultimately file.  In addition, if there is a conviction later, this can be used to help reduce any type of Sentence if there is a “Range.”  The Mitigating Factors which are considered by both the Prosecutor and the Courts includes Statutory and Non-Statutory elements.

Many items that we routinely include in our Mitigation Packages include Psychosexual Risk Evaluations; Polygraphs; Neuro-Psychological Evaluations; Counseling records; substance abuse Treatment and/or Rehabilitation; and a complete history of a person’s background.  This can include Individualized Education Plans (IEPs), medical records, Counseling records, etc.  Lastly. we often include what’s known as a “Proportionality Review/Sentencing Disparity” analysis in which we can show the Prosecutor and Court that similarly-situated Defendants received low Sentences.  Click the link below to see a more detailed list of both Statutory and Non-Statutory Mitigating Factors.

Work with a DM Cantor Phoenix First-Degree Murder Defense Lawyer Today For a Free Consultation

For a free consultation and free case evaluation with one of our Phoenix First-Degree Murder Lawyers and Criminal Defense Lawyers, call our  24 hour Phoenix First-Degree Murder Defense Lawyers Hotline  at  602-307-0808  , or click here for a free consultation on any criminal cases. Our aggressive First-Degree Murder Lawyers always offer free consultations for an initial visit with our Phoenix First-Degree Murder Defense Attorneys. We are often considered to be the “best First-Degree Murder Defense Lawyer”.

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