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PRO
also known as Steven Pacillio, Steve Pacillio
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Proven Experience, Proven Results. Whether taking your case to trial or negotiating a favorable disposition, an experienced criminal defense attorney is what you need. As a former prosecutor who focuses his practice in the field of criminal defense, Steven M. Pacillio is the attorney or expert witness for you.
A preeminent authority on the intersection of law, advanced technology, and Artificial Intelligence (AI), Mr. Pacillio focuses his practice on complex criminal defense (of any criminal charges), computer forensics, and high-tech federal and state crimes. He has handled hundreds of sexual assault, rape, and CSAM/child pornography cases, along with many other criminal charges over the years.
Unlike many attorneys in the space, Mr. Pacillio brings a foundational background in Information Technology, having spent years specializing in network infrastructure, computer design, and network security before transitioning to law. Today, he leverages this technical mastery to defend clients in high-stakes digital matters and serves as a highly sought-after consultant and expert witness for fellow attorneys navigating complex computer forensics in both State and Federal courts.
Mr. Pacillio’s formidable defense practice is backed by deep prosecutorial experience. He served as an Assistant District Attorney in Delaware County, Pennsylvania, where he was a founding member and lead prosecutor for the County’s Internet Crimes Against Children (ICAC) Task Force, under a U.S. Department of Justice grant. Recognized as a national subject matter expert in online solicitation, computer crimes, child sexual assault materials (CSAM)/child pornography, and cyber-evidence, he also headed the county’s Insurance Fraud and Auto Theft Prevention Units. Following his time as a prosecutor in the Delaware County District Attorney’s Office, he served as law clerk to the Honorable Robert C. Wright in the Criminal Division of the Delaware County Court of Common Pleas.
Mr. Pacillio is an active member of several Bar Associations. He has written extensively in the area of Computer Crimes and Sex Crimes and delivers seminars to members of the bench and fellow members of the bar, nationwide. Steve has also served as a consultant and expert witness in litigation matters involving advanced technology.
Specialties: Steven Pacillio's practice is 100% Criminal Defense with a focus on internet/computer crimes and sex crimes defense.
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Practice Areas
28 years | 2,250 cases
28 years | 575 cases
Free Consultation
$0 first 30 minutes
Sometimes
State: Pennsylvania
Acquired: 1999
No misconduct found
Fax
215 W. Miner Street, West Chester, PA, 19382
smp.omnislawgroup.comFax
8 Penn Center, Suite 1000, 1628 JFK Boulevard, Philadelphia, PA, 19103
smp.omnislawgroup.comFax
1000 Germantown Pike, Suite D-3, Plymouth Meeting, PA, 19462
smp.omnislawgroup.com
Other places you can find Steven online.
43 Client Reviews
Showing 6 - 10 of 25 reviews | Case Results
Posted by anonymous | June 16, 2021 | Hired Attorney
Success!
We hired Mr. Pacillio as a defense attorney for a traffic violation. After speaking with several attorneys we selected Mr. Pacillio based on his solid initial advice, respectful interaction and focus on the issue rather than the fees. He guided us on every step leading up to the trial and recommend...
Posted by anonymous | February 18, 2021 | Hired Attorney
Job well done!
After our young teenager made a terrible mistake, Steve was recommended to us. He helped us tremendously by calming our nerves and explaining in a way we could understand all the procedures we had to go through. His friendly nature and empathy was very reassuring to us when we needed it most. His ...
Posted by Maggie | October 20, 2020 | Hired Attorney
THERE IS NO ONE BETTER!
Steve is an exceptional attorney! He is calm and thorough, and he works very quickly! He delivers on his promises. I made a mistake, but he never made me feel less of a person for having done so. He treated me with kindness, care and respect. He did exactly what was needed to enable me to prevai...
Posted by anonymous | July 15, 2020 | Hired Attorney
A case of false accusations
Attorney Steven M, Pacillio represented me in a claim of accusations regarding misconduct with a minor that were false. Steven fully educated my wife and me regarding my rights, his representation of me, the potential outcomes and ramifications involved. I had a high comfort level knowing t...
Posted by Eileen | March 23, 2020 | Hired Attorney
Extremely Happy Client
Steve came HIGHLY recommended to us when we found ourselves in need of a lawyer. My minor son was falsely accused of a crime and with not ever having to need a lawyer we did not know where to turn or who to trust with our situation. He was extremely thorough and worked hard for us and in the end my...
"I endorse this lawyer. Steve is an excellent trial attorney who understands the needs of his clients and is respected by his peers."
"An extremely talented and well respected attorney in the legal community, I wholeheartedly recommend him to anyone looking for a lawyer who knows the law and truly cares about protecting the rights of his clients and getting them the most favorable result possible."
"I endorse this lawyer. Steve is an excellent attorney and loves what he does. Whenever I have a question, I know Steve has the answer."
"I endorse Mr. Pacillio. Having opposed him on many cases, it is clear that he understands criminal law, is well versed in the fact of his client's case and uses this knowledge to best represent his clients."
"Steve is an outstanding trial lawyer who always takes time to fully educate his clients and who truly fights for them in every case, no matter the size."
"I endorse this lawyer. Steve is one of the best trial attorneys that I know. His extensive preparation on each and every case and his total knowledge of the law justify the excellent reputation that he holds within the criminal defense community. I would recommend Steve without hesitation."
"Steve's experience as a prosecutor coupled with his extensive knowledge of the law make him an excellent defense attorney. If you need a seasoned attorney to represent you in a criminal matter, Steve is your man."
"I endorse this lawyer. Steve is a very knowledgeable and diligent attorney who gives practical advice and is a zealous advocate."
"I endorse this lawyer. Mr. Pacillio enjoys a well-deserved reputation among prosecutors, judges and criminal defense attorneys as an aggressive, dedicated, intelligent and hard-working advocate. I would recommend him without question to anyone in need of a criminal defense attorney."
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2015
10 Best DUI Attorneys, American Institute of DUI/DWI Attorneys (AIDUIA)
2005
Top-rated Internet Crimes Defender, PA Computer Crimes Defense League
2000
Outstanding Young Alumni Award, University of Pittsburgh School of Law
2021 - Present
Admitted, U.S. District Court, Western District of Pennsylvania
2019 - Present
Admitted, U.S. District Court, Middle District of Pennsylvania
2019 - Present
Admitted, U.S. Court of Appeals for the Third Circuit
2018 - Present
Admitted, U.S. District Court, Eastern District of Pennsylvania
2016 - Present
Founding Partner, Omnis Law Group, L.L.C.
2019 - 2019
Admitted pro hac vice, U.S. District Court, District of Delaware
2006 - 2016
Partner, Musi, Malone & Daubenberger, L.L.P.
2005 - 2007
Judicial Law Clerk, The Honorable Robert C. Wright, Court of Common Pleas of Delaware County
2002 - 2006
Associate, Musi, Malone & Daubenberger, L.L.P.
1997 - 2002
Assistant District Attorney, Office of the District Attorney of Delaware County
1990 - 1996
Information Applications Manager, AT&T
2016 - Present
Pennsylvania Bar InstituteFaculty
2016 - Present
Solicitor & Board MemberThornbury Historical Society
2014 - Present
Pennsylvania Association of Criminal Defense LawyersFaculty, Committee Member, General Member
2002 - Present
Pennsylvania Bar AssociationMember
2002 - Present
Delaware County Association of Criminal Defense Lawyers (DCACDL)Presenter, Member
1998 - Present
Delaware County Bar AssociationPresenter, Member
2010 - 2021
JURIST Board of DirectorsBoard Member
Prosecution withdrawn
All charges DISMISSED.
Theft charges dismissed
Felony discharged
After a full hearing in court, the Judge ruled in favor of my client. He picked up his truck from impound two days later.
Motion to Quash Granted; all charges thrown out
Not Guilty on DUI & Resisting Arrest
Not Guilty - full acquittal; Record expunged
Not guilty - full acquittal; Record expunged
1999
JD - Juris Doctor
1994
BA - Bachelor of Arts
1990
Diploma
2018
Protecting Client Data
2018
Technology in the Courtroom
2015
2014
2014
2012
The New Megan's Law - Sex Offender Registration Requirements
2009
Internet Crimes
2002
2001
2012
English
Legal Answers
Top Contributor
Steven earned significant contribution points in 2015.
Can i go to jail if on my megans law it says non compliant?
17 Mar 2025
Do i have to keep attending sex offender therapy when multiple psychiatrists said no further treatment necessary. Not court orde
08 Aug 2024
Can a registered sex offender be at a carnival in pa?
20 Jun 2024