St. Louis Criminal Defense Lawyer
Over Five Decades of Defending Those Accused of Burglary, Theft, Sex Crimes, and More!
Facing criminal charges can be frightening, overwhelming, and confusing. You may be unsure of what to do or what to say, but everything you do from this point on can directly impact your case and future. In these situations, you must exercise your right to legal counsel. Call an experienced St. Louis criminal defense attorney at Cavanagh & Associates to make sure your constitutional rights are protected!
When your freedom is on the line, trust your case to attorney Jack Cavanagh. He is a former prosecutor and seasoned trial lawyer over half of a century of legal experience. At Cavanagh & Associates, we represent clients facing criminal charges in St. Louis, Chesterfield, St. Charles, and the surrounding areas. We take on cases involving DUI/DWI arrests, sex crime charges, domestic violence allegations, drug crimes, theft charges, and other misdemeanor and felony offenses.
So what exactly is criminal defense? It is a strategic argument that attempts to challenge the validity and sufficiency of the prosecutions evidence. The prosecution is the party trying to prove the criminal charges against you. The type of defense that you and our attorney chooses to pursue will depend on the crime you are accused of committing, as well as the evidence available to you. With over five decades of experience, we know how to tailor a case to meet your unique goals.
Call (314) 309-2799 to schedule a consultation with a St. Louis criminal defense lawyer.
Do Not Wait to Involve a Criminal Defense Attorney
If you were arrested or accused of a crime, but formal charges have not been filed – the biggest mistake you can make is to wait to involve a criminal attorney. Every second counts in a criminal case and your future may be at stake. Getting the help of a practiced St. Louis criminal defense lawyer earlier may mean the difference between an acquittal and a jail cell.
We represent clients across Chesterfield, St. Louis, St. Charles, and throughout the state in cases involving:
- DUI (driving under the influence) and DWI (driving while intoxicated)
- Theft crimes (burglary, shoplifting, felony theft, robbery)
- Sex crimes (child pornography, rape, sex offender violations)
- Juvenile court matters (theft, property crimes, gang crimes)
- Drug crimes (possession, possession for sale, trafficking, manufacturing)
We also help clients on probation who have been accused of or arrested for allegedly violating the terms of their probation. We can work to avoid the revocation of probation through experienced defense counsel.
Serving Chesterfield, St. Charles & St. Louis
Before he went into private practice, St. Louis criminal defense attorney Jack Cavanagh worked as a prosecutor in St. Louis County for four years. He has been practicing law since 1962 and has handled hundreds of trials in front of judges and juries. If you were arrested, contact Cavanagh & Associates today!
Contact Cavanagh & Associates for a consultation with a St. Louis criminal defense lawyer (314) 309-2799!

Our Clients Mean Everything to Us
Read Stories Directly From People We've Helped-
“I would recommend Mr. Cavanagh as well as use him again in the future.”
- Former Client -
“Truth will always prevail.”
- Mr. Callaway -
“Great Team! Highly Recommended.”
- Donald Salisbury