Criminal Defense Investigation
PROSource Professional Services provides comprehensive investigative support to criminal defense attorneys across a wide range of cases, from misdemeanors and felonies to post-conviction appeals. Our investigators work as part of your defense team to uncover exculpatory evidence, locate and interview key witnesses, analyze law enforcement procedures, and identify investigative flaws that may weaken the prosecution’s case. With over 30 years of experience, we understand the high stakes of criminal defense and the precision these cases demand.
We assist throughout the legal process from pre-trial strategy to courtroom testimony. Our services include scene reconstruction, surveillance, discovery review, digital forensics, and background checks. Every investigation is conducted lawfully, thoroughly, and with a clear goal: to strengthen your defense with verified facts and credible evidence.

Benefits of Using PROSource Professional Services
With over 30 years of experience throughout the Midwest, PROSource has built a reputation for dependable results and continuing success. Our seasoned investigators apply a thoughtful and cost conscious approach using advanced professional tools and the knowledge in using them. The evidence we provide has consistently held up under legal scrutiny, giving our clients confidence in every case. At PROSource, integrity and reliability are not just goals, they are the foundation of everything we do.