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San Diego Legal Advocates
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About Our Firm

About Premier Criminal Defense

Our San Diego Criminal Lawyers are Ready to Fight for You

At Premier Criminal Defense, our San Diego criminal defense lawyers are committed to making sure our clients’ constitutional rights are protected. We represent people across Southern California who have been arrested for or accused for:

  • Infractions
  • Misdemeanors
  • Felony offenses

We offer skilled counsel in the face of informal allegations or investigations by law enforcement, to counteract charges before they can be filed.

Our Commitment to Our Clients

Our commitment is to our clients’ rights and interests, and we do everything in our power to achieve the best possible result in every single case we take on. From a traffic violation to a murder charge, you can count on our team to provide hard-hitting, personalized criminal defense representation.

When you choose to work with our legal team, you can rest easier knowing the following:

  • We offer a no-cost case evaluation to review your charges.
  • We are affordable and will work with you to address your needs.
  • We are available 24/7.
  • We can handle any case.
  • We treat each client with the total commitment and resolve they deserve.
  • We keep our clients fully informed through every step of their cases.
  • We are always ready and willing to go to trial, and if we do, there’s no extra charge

About Founding Attorney Thomas Slattery

Our founding attorney, Thomas Slattery, has a long history in criminal law. He has worked in this field for over 17 years, first as a prosecutor and then as a criminal defense attorney. After spending 4 years as a solo practitioner, he worked as the Supervising Attorney at the nation’s largest criminal defense firm for 7 years before returning to private practice.

Over the years, he has worked with thousands of clients in all walks of life, in the face of virtually every criminal charge. He is an aggressive advocate for his clients’ rights and isn’t afraid to think outside the box when it comes to developing strategies, a rare and invaluable trait.

Choose an Aggressive San Diego Criminal Attorney

When you work with a San Diego criminal defense attorney at Premier Criminal Defense, you will find that we are completely committed to your case. We will do whatever it takes to seek the best possible result and have no fear whatsoever in confronting the prosecution, inside or outside the courtroom.

When your freedom is at stake, you need an aggressive, experienced lawyer on your side. Call (619) 304-9190 for a no-cost case evaluation.

Our Attorneys

Crystal Erlandson

With over 15 years of experience in criminal defense, Crystal Erlandson has dedicated her career to representing defendants from all walks of life and aggressively defending the rights of all her clients.

Though her primary focus is on serious Federal felony cases, Ms. Erlandson has also spent a significant amount of time in Superior Court, appearing often in San Diego, Riverside, Los Angeles and Imperial Counties.

Ms. Erlandson’s extensive trial experience includes dozens of jury trials in both Federal and State Court. She has successfully obtained acquittals and dismissals where her clients have been falsely accused of crimes. Her professionalism has garnered the respect of judges and prosecutors and she has earned a reputation as a litigator that will not be intimidated by complex legal issues or copious amounts of evidence.

Also an expert negotiator, Ms. Erlandson has resolved cases with reduced charges, often obtaining probation on cases where clients were facing lengthy prison sentences. She has been able to prevent criminal charges from being filed by interacting with law enforcement and prosecutors during the investigation stage.

Ms. Erlandson has handled all types of Federal cases including border busts, wire fraud, insurance fraud, alien smuggling, immigration fraud, human trafficking, racketeering and money laundering.

In State court, Ms. Erlandson’s experience includes cases involving murder, attempted murder, robbery, assault with a deadly weapon, kidnapping for ransom, financial crimes, felony evading, domestic violence, narcotics trafficking, sexual assault, theft, resisting arrest and firearms offenses. She has handled cases in Juvenile court, and cases involving special allegations related to gang activity and prior strike convictions.

Recognizing that facing criminal charges is the most arduous experience many defendants have ever faced; her personal touch ensures that each of her client’s individual needs and concerns are addressed throughout the case. When their case is concluded, Ms. Erlandson’s clients are confident that every option has been thoroughly examined and the result she has obtained is the best possible outcome that could have been achieved.

Ms. Erlandson’s experience also includes handling various post-conviction matters, restraining order cases, and representing special needs students in claims against school districts to obtain special education services for which they were entitled.

Ms. Erlandson has been admitted to practice before all courts in the State of California, United States District Court for the Southern District of California, Central District of California, and Northern District of California and the Ninth Circuit Court of Appeals.

Sean Hobson

Sean M. Hobson chose early on to devote his career to defending clients in criminal cases. He was born and raised in San Diego and went on to attend college and law school here. As a San Diego native, his love of the local community is matched by his desire to help those who need the services of an attorney who is experienced enough to know when to go to trial – and savvy enough to know when to negotiate.

After a stint as a solo practitioner he accepted an offer to join one of San Diego’s most dedicated and tenacious legal organizations – Premier Criminal Defense.

Mr. Hobson has been immersed in representing clients at every stage of the process ever since. From pre-filing of charges to full blown jury trials, Sean stands ready and willing to pursue his objective of securing the best result for his clients.

His love for legal research and writing finds its outlet in the numerous State and Federal appeals which he has prepared and filed on behalf of clients whose other options have been exhausted.

Having represented hundreds of clients in a vast range of cases both felony and misdemeanor, in both State and Federal Court, and at every stage of the proceedings, he brings the rare but invaluable combination of enthusiasm and experience to every case he handles.

Thomas Slattery

Thomas Slattery is the Supervising Attorney and Owner of the firm.

During his twenty years as an attorney, Mr. Slattery’s focus, commitment, and dedication, have always been given to Criminal Defense.

Whether as a solo practitioner or within the context of a larger firm, his unchanging objective is to make certain that clients are given the representation and customer service they deserve.

Prior to founding PCD, Mr. Slattery spent seven years as the Supervising Attorney of the largest criminal defense firm in the United States and was involved in representing thousands of clients on every type of case. Encompassing everything from capital murder to simple theft, his career has prepared him to successfully address his clients’ problems.

He has also worked extensively in numerous other areas of law, including Immigration, Employment, and Landlord Tenant.

In addition to being licensed in California and Federal Courts. Mr. Slattery is qualified to practice in 37 other countries around the world, including his native England.

Oscar Valencia

Attorney Oscar Valencia is a Trial Attorney with Premier Criminal Defense. He represents clients in Criminal Trial Courts, Criminal Writs and Appeals.

A Los Angele native, Attorney Oscar Valencia chose to pursue the practice of law to help provide a voice to people who may not be in a position to help themselves, and has become known throughout the local and legal communities for his client-focused approach and unwavering commitment to advocating for his clients with dedication and zeal.

Over the course of his career, Attorney Valencia has helped thousands of clients protect their legal rights, freedoms, and futures in a range of complex and high-stakes cases. That includes misdemeanor cases, such as Driving Under the Influence, where people may face up to one year in Jail, and Felonies, like Murder, where overzealous prosecutors too often lump defendants together and employ a one-size-fits-all approach for doling out the harshest punishment possible.

A Personalized Approach

Attorney Valencia practice is based on the belief that each client’s case, circumstances, and goals are unique, and that their unique story plays and invaluable role in tailoring a carefully crafted defense strategy.

Admired for his ability to cultivate close client-attorney relationships, Attorney Oscar Valencia helps individuals and families understand what can often be an unfamiliar, confusing, frustrating and stressful process, leveraging empathy and understanding that the situation in which clients find themselves can be their first experience with the criminal justice system.

Such an approach has earned Attorney Oscar Valencia the respect and esteem of his clients, Judges and prosecutors as well as professional colleagues. Former Clients who turned to Attorney Valencia in their time of need often, refer friends and loved ones when they need aggressive proven legal representation.

Proven Results: Criminal Defense

Attorney Valencia has obtained numerous Not Guilty verdicts / acquittals and dismissals on behalf of clients facing serious felonies, and potentially life in prison. Attorney Oscar Valencia has successfully handled thousands of cases in criminal courts across San Diego, Los Angeles, Riverside and San

Bernardino Counties. Attorney Valencia has also represented Clients in Federal Courts in the Southern and Central Districts of California.

By leaning on his vast experience in criminal defense, bringing each clients’ unique story to light, and working closely with clients to help them make informed decisions, Attorney Valencia has helped refine the firm’s fourfold approach to handling criminal cases, which includes:

  • Identifying the client’s goals.
  • Attack the State’s allegations to dispose of the case quickly.
  • Preparing each case as if it were going to be litigated at a Jury Trial.
  • Obtain the best results for our Clients.
  • In the criminal justice system, Attorney Valencia has earned a reputation as a aggressive and dedicated criminal defense attorney committed to helping his clients vigorously fight overly aggressive and overzealous prosecutions by the government.

Attorney Oscar Valencia is a graduate of Pepperdine Law School and has been licensed to practice law since June 2001.

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