JCS Law - John C Schleiffarth, P.C.

About the Attorney

JCS Law, led by experienced criminal justice attorney John C Schleiffarth, P.C., is the top choice for individuals facing DWI and criminal charges in St. Louis, Missouri. Specializing in DWI defense, criminal defense, federal criminal defense, and sex crimes defense, JCS Law is dedicated to providing aggressive and effective representation to clients in need.

With a focus on protecting the rights and freedoms of individuals accused of criminal offenses, JCS Law offers personalized legal strategies tailored to each client’s unique situation. Whether facing DWI charges, federal criminal allegations, or sex crimes accusations, the skilled team at JCS Law is prepared to fight for a favorable outcome.

If you are in need of a St. Louis criminal defense lawyer or a Missouri criminal defense attorney, look no further than JCS Law. With a proven track record of success in handling a wide range of criminal cases, including drug charges, possession charges, and child pornography defense, JCS Law is the trusted choice for individuals seeking expert legal representation.

Contact JCS Law today at 314-561-9690 for a consultation and discover how their dedicated team can help you navigate the complexities of the criminal justice system with confidence and peace of mind.

Practice Areas

Criminal justice attorney

Client Reviews

Mike Bepko

6/18/2026

John helps me out a lot with the way the laws are written here. I keep him on my speed dial and he routinely brings clarity to all my questions. I hopefully will never need it but if I ever do need a criminal defense attorney or really anything of a legal nature, John is definitely my guy.

Thomas Pratt

6/09/2026

Always with minutes will call you back. Listen weather he can help or not. If not send you to people he knows an trust. If you ever run into the reason I needed his service. Man looked out for me like his own.

Eric Moore

5/27/2026

Super helpful and very prompt with all the answers to my inquiry!

Kim Knutsen

5/14/2026

Tony Mulenkamp is an attorney at JCS Law, and he focuses on your case immediately, and produces -The best case scenario with his client(s). He includes options, & seeks out your thoughts & opinions re: all possible legal outcomes. He is genuinely engaged with his clients and their needs, and works closely with them in order that they may feel comfortable and hopeful about their future. Ultimately, as his client, you or “yours”, will have the best opportunity to legally benefit from any & all court rulings & outcomes when you have Tony Muhlenkamp represent you.

Caden Ogle

5/06/2026

Very caring and very nice and extremely helpful unlike most in his profession that like to just like to talk fast and get you out the door he actually takes his time to explain everything in detail and depth and leaves you with more information than you thought you needed while also giving you a good answer to all questions

Overall would highly recommend JCS Law - John C Schleiffarth, P.C.