Precision. Expertise. Integrity.

Setting the Standard in Firearm & Tool Mark Identification and Quality Management

With decades of experience, SCL Forensics is one of the few companies specializing in both the forensic field of firearm and tool marks and quality management. Our team brings a unique and integrated perspective to every project.

Rooted in a community focused mission, we assist agencies by strengthening their forensic capabilities with expertise, integrity, and compliance.

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Our Services

  • Comprehensive academic and hands-on training for new and experienced Firearm Examiners—offered onsite and remotely by experienced professionals.
    Contact us for a full list of training topics.

  • Support for law enforcement and attorneys through onsite or remote firearm and tool mark casework—current, backlog, or re-examinations. Services include firearm operability testing, ammunition component comparisons, tool marks, fracture matching, muzzle to target distance analysis, serial number restoration, and shooting incident reconstruction.

  • Provides expert witness testimony for casework and case reviews in both criminal and civil proceedings.

  • Guidance in building Firearms or Quality sections from the ground up—covering structure, safety, training, document system, root cause analysis, and workflow optimization.

  • Assistance with validation of new equipment/instrumentation within a Firearms & Tool Marks Section, such as 3D imaging and VCM.

  • Expert assistance with ISO 17020 and 17025 accreditation for laboratories.

EXPLORE FULL SERVICES

Who We've Helped

Black and white logo with a silhouette map of Louisiana shaped like a splatter, text reading 'N Crime Lab'.
Montgomery County Police Department badge featuring Maryland state flags and county emblem.
Massachusetts State Police emblem featuring a shield with a figure, a balance scale, and the words 'Massachusetts State Police' on a blue background.
A crest with a crown, a star, and Arabic script, featuring green, red, and white colors.
Seal of the Rhode Island Department of Criminal Justice Labor, featuring a blue sea anchor with a banner that reads 'Hope,' a small white banner saying 'State of Rhode Island,' an outer blue circle with black text, and a yellow rope border.
Logo featuring a stylized blue horse head with a yellow outline and the letters O, C, O in blue with yellow borders.
Badge with a gold star and blue circle in the center, labeled 'Special Agent' at the top and 'Division of Criminal Investigation' at the bottom, featuring three figures in the middle.
Logo of the Forensic Science Center in Houston featuring a cityscape, scales of justice, and a blue circular border.
Seal of the Chicago Police Department featuring a five-point star with a central badge depicting a fisherman and the Chicago skyline, surrounded by text 'POLICE CITY OF CHICAGO INCORPORATED 4th MARCH 1837'.
Oklahoma State University logo with orange and black design and the text "Oklahoma State University".
Logo of Florida International University Global Forensic and Justice Center
Stephanie Leuhr at a conference in Anaheim, California.
A person wearing a Houston Forensic Science Center shirt is examining a sample through a microscope while looking at a computer monitor showing a magnified image of the sample.
A meeting room with six people, some in white uniforms with Arabic writing, attending a presentation about security and active police topics, with a slide projected on the wall.
Group of four people examining artifacts laid out on a white table in a laboratory or research facility.
Police evidence table with two handguns, bottles of chemicals, a notebook with glasses, a magnifying glass, and other items related to a crime scene investigation.
Red firearm suppressor with the label 'Savage Range Systems' and warning labels, placed on a wooden table outdoors in a grassy field with target shooting range equipment in the background.
Display case with multiple firearms including handguns and ammunition, with plastic containers and packaging around them.
Person working with a microscope and viewing a computer screen displaying a close-up image of skin with some irregularities.
Group of eight diverse people standing together in an office, smiling for the photo.

OUR MISSION

“Deliver forensic services grounded in integrity, objectivity, and scientifically defensible practices.”

Trusted by Agencies Nationwide

  • “SCL Forensics’ expertise was invaluable—revealing critical issues with clarity, honesty, and professionalism that transformed our corrective action process...The depth and quality of SCL Forensics’ work were instrumental in reshaping our Firearms Unit and restoring confidence in our processes.”

    Wyoming State Crime Laboratory

  • “We have been extremely satisfied with Stephanie’s clear, comprehensive documentation and her consistent, timely delivery—especially on high-priority cases...SCL Forensics has become a trusted partner; Stephanie’s work quality and responsiveness are outstanding.”

    Rhode Island State Crime Laboratory

  • “Her expertise has been invaluable—over 2,000 hours of high-quality service on complex cases, digital tools, and validation work...Ms. Luehr consistently delivers exceptional forensic work, from complex comparisons to courtroom testimony.”

    Montgomery County Police Department Crime Laboratory

Stay Connected

From conferences and trainings to speaking engagements and expert panels—don’t miss an opportunity to connect with SCL Forensics in person.

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