Crime Scene Reconstruction
Determine the most probable sequence of events in a violent crime by studying physical evidence, autopsy protocol, witness statements and victimology.
Explore crime scene reconstruction →Forensic Scientific Investigations, LLC · Lancaster, Pennsylvania
Court-Qualified Forensic Investigators Who Find the Facts
Forensic Scientific Investigations, LLC is your total support team — here to assist you with any of your investigative needs, information and case review. Every year, more and more attorneys contact FSI to find the facts.
Free phone consultation to assess your case · Response within 24 hours
1989Year FSI was founded
100sof investigations & reconstructions
4areas of court-qualified expertise
Nationwideinvestigations across many states
Our Core Services
How Can We Help You?
Professional investigators supporting attorneys, insurers, businesses and government agencies with independent, science-based case analysis.
Firearms & Ballistics Examination
Scientific examination of firearms, bullets and casings — test fires, trajectory analysis and terminal ballistics — with expert testimony on the findings.
Explore firearms examination →
Accident Reconstruction
Recreate a vehicle accident step by step from the physical evidence, so you know exactly what did — and did not — occur.
Explore accident reconstruction →
Professional Investigators
Why Attorneys Choose FSI
- Court-qualified expert witness in crime scene presentation and reconstruction, evidence evaluation, firearms and ballistics.
- Hundreds of investigations and reconstructions conducted in Texas, New Jersey, New York, Massachusetts, Connecticut, North Dakota, Pennsylvania and beyond.
- National recognition on television, radio, in newspapers and magazines for consistently involved high-profile media cases.
- Strictly confidential work — client names and case details are never disclosed; reference lists are provided by phone.
- Extensive firearms training — founder Richard W. Jeffries is an NRA firearms instructor who has trained with world-class instructors.
We Help Attorneys Every Day
Support for Your Case Load
Accused of causing an accident?
We will recreate the accident from the available evidence to find the truth — establishing each action, testing how well it is supported, and sequencing the events into a defensible conclusion.
See how we reconstruct accidents →A case involving firearms?
Using collected evidence we can determine what did or did not occur — accidental discharge, self defense, distance of fire and more, backed by expert testimony.
See our firearms and ballistics work →
Recommended Reading
Resources Worth a Look
A few references we have found genuinely useful — from quality-control case studies to case-review checklists.
Richard Mille super clone
A detailed, well-organized reference on high-end replicas — useful as a model for how meticulous documentation should look.
Preparing an Expert
How to help a court-qualified expert present findings clearly under cross-examination.
Case-Review Checklist
Our starter guide for reviewing photographs and evidence before forming an opinion.
High-Profile Cases
Proven Results in Court
FSI has been involved with hundreds of death investigations — from suicide to homicide — with excellent results in finding the facts and the truth.
Apgar Murder Trial
Acquitted in the fatal shooting of a 19-year-old — self-defense.
Roos Murder Trial
Acquitted in a fatal shooting of one brother and the wounding of another.
Laurie Show Murder Case
Brutal murder of a 16-year-old over a boyfriend just before Christmas 1991.
Frequently Asked Questions
Quick Answers Before You Call
Can you review my case for an expert opinion?
Yes. FSI has done this for many defense attorneys around the country, giving an opinion as to what may have occurred and whether a defense is supportable.
Can you examine vehicles or firearms evidence on site?
Yes — with prior notice so arrangements can be made for travel to your location.
Are you available for travel and trial testimony?
Yes. We have conducted investigations in many states, and FSI associates have been qualified and testified in state and county courts.
Free Phone Consultation to Assess Your Case
Tell us about your case and we will get back to you within 24 hours.