Business Details
16 Years
experience
Trusted Private Investigator in Kansas City
O'Brien Investigations is a licensed and insured private investigation firm specializing in supporting attorneys with criminal case investigations. Our expertise spans trial and post-conviction proceedings, including document analysis, witness interviews, and process serving. With over 15 years of experience, we have worked extensively in both public and private sectors, including roles at the Midwestern Innocence Project and the Public Defender Service of Washington, DC. Our team has contributed to high-profile exonerations through meticulous evidence gathering and witness interrogation.We also provide specialized training to law students and attorneys on investigative ethics and techniques. Our services are grounded in a commitment to legal integrity, with a focus on innocence claims, mental health investigations, and complex case documentation. We maintain professional affiliations with legal education institutions and regularly contribute to continuing legal education programs. Our investigative methodologies combine traditional legwork with digital research to support attorneys in building robust legal defenses.
Services
Criminal Case Investigations
Witness Interviews
Document Analysis
Process Serving
Legal Training Programs
Details
- Year established: 2010
Highlights and features
- We have 15+ years of experience in criminal defense investigations
- Our team includes adjunct faculty at University of Missouri-Kansas City School of Law
- We specialize in innocence claims and post-conviction evidence analysis
- Our investigators have testified in court proceedings and trials
- We combine traditional investigative methods with digital research techniques
Associations and certifications
- Licensed Private Investigator (MO #2013013703)
Services
Criminal Case Investigations
We conduct comprehensive investigations for criminal defense attorneys, specializing in trial preparation and post-conviction reviews. Our work includes evidence analysis, witness location, and document collection. With experience in both felony and innocence cases, we provide critical support to legal teams.
Witness Interviews
Our team performs detailed witness interviews and interrogations, focusing on accuracy and legal admissibility. We employ specialized techniques for reluctant witnesses and maintain strict documentation protocols. Our interview findings help build stronger legal cases for defense attorneys.
Document Analysis
We analyze legal documents and physical evidence for criminal defense cases. Our expertise includes FOIA requests, medical record interpretation, and digital evidence verification. We organize findings into clear, court-ready formats for attorney use.
Process Serving
We provide reliable process serving for legal documents in criminal cases. Our services ensure proper delivery and documentation of court materials. We maintain detailed records to verify service completion for legal proceedings.
Legal Training Programs
We offer investigative training to law students and attorneys, covering ethics and practical techniques. Our curriculum includes witness interviewing and evidence collection. We partner with law schools to develop specialized investigation courses.
People
Quinn C. O'Brien
Chief Investigator
Licensed private investigator with 15+ years of experience in criminal defense. Adjunct instructor at UMKC School of Law. Former investigator for Midwestern Innocence Project and Washington DC Public Defender Service. Expert in innocence claims and post-conviction cases.
Questions
What types of cases do you handle?
We specialize in criminal defense investigations for attorneys, including trial preparation, post-conviction reviews, and innocence claims.
Are you licensed and insured?
Yes, we hold active private investigator licensure in Missouri (#2013013703) and maintain professional liability insurance.
Do you work with out-of-state attorneys?
Yes, we collaborate with legal teams nationwide on complex criminal cases and evidence analysis.
Can you assist with witness location?
Yes, we have extensive experience locating witnesses and conducting detailed interviews for legal proceedings.
Do you provide expert testimony?
Our investigators have testified in court proceedings and trials regarding investigative findings and evidence analysis.
Do you offer training programs?
Yes, we provide investigative training to law students and attorneys on evidence collection and interview techniques.
