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About Us

Experienced Criminal Defense Attorney 

The Law Office of Cassandra MacKenzie, LLC


Cassandra MacKenzie is an experienced trial lawyer focused on criminal defense litigation. Cassandra practices in the Denver area, including the following Counties: Arapahoe, Denver, Jefferson, Adams, and Boulder. She is committed to achieving favorable outcomes for those accused of crimes. Cassandra has tried over 50 cases, and successfully represented hundreds of clients on both misdemeanor and felony charges. She has represented clients accused of everything from first-degree murder and sexual assault to driving under the influence and theft.




Cassandra is a member of the Colorado Criminal Defense Bar. Previously she worked as a Colorado State Public Defender in Arapahoe County for more than six years. Cassandra graduated cum laude from Boston University, with a double major in Political Science and Philosophy. She then received her Juris Doctor from the University of Denver College of Law. 







Cassandra has represented hundreds of clients accused of possession of a controlled substance, possession of a controlled substance with the intent to distribute, and distribution of a controlled substance, among other drug crimes. Drug crimes can significantly impact your life in a number of ways, including student loan eligibility and immigration consequences. If you are charged with a drug crime, contact Cassandra today.


Cassandra has represented clients in both misdemeanor and felony driving under the influence cases, through trial. A DUI or driving while ability impaired (DWAI) conviction impacts your driver's license and ability to legally drive in Colorado. If you are charged with driving under the influence of alcohol or drugs, contact Cassandra today.


Cassandra has represented clients in domestic violence cases involving criminal mischief (damage to property), harassment, assault, menacing, and burglary, among other crimes. If you are accused of a crime that involves domestic violence, it is likely to impact where you can live and your gun ownership and possession rights. If you are charged with any crime involving domestic violence, contact Cassandra today.


Cassandra has represented clients accused of identity theft, forgery, criminal impersonation, burglary, aggravated motor vehicle theft, and theft, among other theft-related crimes. Crimes involving theft can impact current and future employment opportunities and typically require restitution, or repayment. If you are charged with any crime involving theft, contact Cassandra today. 


Cassandra has represented clients in both misdemeanor and felony assaults, through trial. Assault convictions can require lengthy prison sentences. Cassandra is familiar with a number of defenses to assault cases, including self-defense and defense of others. If you are charged with assault, contact Cassandra today.



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“Ms. MacKenzie fights tirelessly on behalf of her clients and I have always admired her creativity and drive when litigating issues in court. ”

Michael Garlan,  Lawyer

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