Criminal Defense
Investigation Services
Independent. Discreet. Defense-Focused.
See Our CapabilitiesDefense-Focused Investigations You Can Rely On
ASG provides professional criminal defense investigation services for attorneys and individuals involved in criminal cases, post-conviction matters, and appeals. Our experienced, board-certified private investigators deliver targeted, client-driven investigative support when accuracy and discretion matter most.
Free • Confidential • No Obligation Consultation
Meet Brittany Piotrowski
As part of ASG’s investigations team, Brittany works closely with counties and defense attorneys to deliver consistent, reliable results. She understands the unique challenges of indigent defense work and takes a hands-on, responsive approach to every case — ensuring information is timely, accurate, and actionable.
Whether coordinating field investigations or managing case reporting, Brittany is known for her professionalism, attention to detail, and genuine commitment to supporting public defense programs.
Contact Brittany
(586) 221-4662 | bpiotrowski@asginvestigations.com
Independent Investigations that Strengthen Your Defense
A thorough, independent investigation can uncover overlooked evidence, expose inconsistencies, and identify key witnesses—often making the difference in establishing reasonable doubt.
At ASG, we support criminal defense efforts at any stage of a case, providing reliable, trial-ready intelligence that helps attorneys and clients make informed decisions.
Who We Serve
Criminal Defense Attorneys
We act as an extension of your defense team—handling time-intensive investigative work so you can focus on legal strategy and courtroom advocacy.
Individuals & Families
If you are facing criminal charges or pursuing post-conviction relief, we provide independent investigative support to ensure your case receives the attention it deserves.
Criminal Defense Investigation Services
ASG investigators provide trial-ready investigative support, including:
Verified Locate Investigations & Database Research
Background & Public Records Investigations
Witness Location, Statements & Interviews
Field Photography & Scene Documentation
Internet Profiling & Social Media Investigations
Juror Intelligence Research
Professional Process Service (MI)
