Kwasnoski’s Publications

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Select Books and Publications

Select publications Professor Kwasnoski authored include: Kwasnoski’s Little Red Book, From Crash to Courtroom: Collision Reconstruction for Lawyers and Law Enforcement and Crash Reconstruction Basics for Prosecutors written for the American Prosecutors Research Institute. (Now part of the National District Attorneys Association.) For more information, visit Legal Sciences 

Kwasnoski's Little Red Book

A readable foundation text for those who want a primer on collision reconstruction. Patterned after Prof. Kwasnoski's Lethal Weapon lectures, and including additional materials and references. This book is a perfect read for prosecutors and officers who want to gain a new perspective on the science of collision reconstruction.

From Crash to Courtroom

From Crash to Courtroom teaches attorneys what to look for when examining an accident reconstruction expert’s report, and explains in detail numerous potential errors an attorney may encounter. Of equal importance to law enforcement professionals, Kwasnoski’s work also addresses such critical issues as proper evidence collection and effective crash analysis using the correct application of mathematical equations.

Crash Reconstruction Basics for Prosecutors

This publication serves as a primer for prosecutors on the basic science, investigative techniques and questions to ask. Thanks to Professor John Kwasnoski, author and nationally-recognized expert on crash reconstruction, much of the mystery, myth and mathematical phobias surrounding this material are dispelled.

Low BAC Driver Impairment

A review of the scientific literature that gives prosecutors a powerful tool for direct examination on the effects of alcohol, and a valuable resource for cross examining the defendant's toxicology expert.

This is a must for every prosecutor's library.

Officer's DUI Handbook

This handbook contains practical advice for police officers about how to handle the arrest, investigation, and trial of an individual found guilty of driving under the influence of alcohol. It is written by three leading experts with extensive experience in criminal and DUI matters.

Here are some of the tips you will find inside Officer's DUI Handbook:

  • Checklists to aid in DUI investigations
  • Arrest & custody issues
  • Landmines to avoid in investigation
  • Accident reconstruction checklists
  • Tips to increase conviction rates
  • How to testify

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About John Kwasnoski

John B. Kwasnoski is Professor Emeritus of Forensic Physics at Western New England University, Springfield, MA, after thirty-one years on the faculty. He is a certified police trainer in more than twenty states, and has instructed prosecutors, police, and civil attorneys on more than 250 occasions across the U.S. He is the crash reconstructionist on the “Lethal Weapon - DWI Homicide” team formed by the National Traffic Law Center to teach prosecutors how to utilize expert witness testimony and cross examine adverse expert witnesses.

Prof. Kwasnoski has reconstructed more than 1,200 crashes, including multiple and single vehicle, pedestrian, motorcycle, and train crashes, and has given sworn testimony on more than 200 occasions; he has been training the NYPD collision reconstruction unit since 2001; and continues to serve as a consultant to prosecutors nationwide on MV homicide cases. He has worked for more than twenty major insurers as a consultant/expert witness, and has conducted training for claims adjusters and special investigators for a number of insurance companies.

Prof. Kwasnoski is the author and co-author of several books, has published more than 60 journal and newsletter articles on collision reconstruction, and maintains an active speaking schedule nationwide.

Legal Sciences

Legal Sciences , John Kwasnoski's website, is dedicated to providing information, educational resources and training opportunities for professionals involved in the criminal justice system who handle impaired driver and motor vehicle crash cases.