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Our Story

Joanna Collins, MFS (Colonel, USAFR Ret.)

Founder of LINUS Investigations & Consulting.  Joanna has over 25 years of experience as a criminal investigator with the US government and has served in positions ranging from special agent, regional forensic consultant, forensics program manager, supervisory special agent, special agent in charge, to regional deputy director, and regional director.  As a forensics expert for over 18 years in her law enforcement career, she has trained US and foreign government agencies in crime scene processing and forensic investigative skills.   During her time as a forensic program manager, she was the final review authority for all death cases, sexual assault cases, and child sexual assault cases.  Joanna has also completed internships with the Armed Forces Institute of Pathology; Cook County (IL) Medical Examiner's Office; and the Baltimore City Medical Examiner's Office.  She is currently the Director of the General Section for the American Academy of Forensic Sciences, serves on the Board of Directors Executive Committee, and is the past Chair of the Forensic Sciences Foundation.  Additionally, she is a seasoned expert in child forensic interviewing and has trained government investigators in that skillset. She has worked as an expert consultant in forensics in the private sector for over 11 years.  She is recognized as an expert witness and has testified in that capacity at the state and federal level.  Joanna holds a Top Secret / Sensitive Compartmented Information (TS/SCI) security clearance with national security-scope polygraph.

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LINUS Investigations & Consulting is a Woman-Owned and Service-Disabled Veteran-Owned Small Business established by Joanna Collins and Duane Collins after their distinguished careers in federal law enforcement.  Our investigations and expert consultations are backed by many years of professional investigative experience and training.  Each member of our team has conducted hundreds of criminal and administrative investigations in their law enforcement and private investigations careers, and have served in positions where they were responsible for overseeing the conduct of investigations and evidence collection.  Additionally, our forensic consultants are some of the most highly trained and experienced investigators the US government has produced.  Along with their extensive education and training, they have conducted or overseen hundreds of investigations and processed/documented crime scenes as well as having served as case review experts.  No matter what your case involves, you can trust our professionals to ethically and professionally gather whatever information is required, and to provide the expert guidance to help you make informed decisions.

Duane Collins, MSI

Co-founder of LINUS Investigations & Consulting.  Duane has over 30 years of law enforcement experience which began with the United States Air Force and the San Antonio Police Department.  For over 20 of those years he served as a federal criminal investigator with the US government in positions within the US and multiple foreign countries ranging from special agent, supervisory special agent, clandestine case officer, regional division chief, special agent in charge, to divisional deputy director.  He has extensive experience in counterintelligence and insider threat investigations, many of which he conducted as part of the US intelligence community.  Throughout his career, he has conducted and overseen the full spectrum of felony-level investigations to include internal affairs, integrity, administrative investigations, and crime scene processing.  Duane also has extensive experience in criminal defense investigations and internal business investigations and oversees the investigative operations of LINUS Investigations.  He holds a Top Secret / Sensitive Compartmented Information (TS/SCI) security clearance with national security-scope polygraph.

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Along with Joanna and Duane, LINUS Investigations and Consulting’s team of licensed private investigators are some of the most highly-qualified former criminal investigators with years of investigative experience and training.  When you choose LINUS Investigations and Consulting, you can be confident you are getting a team approach backed by the best training and experience in the private investigations field nation-wide.  

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