Did you know that… before we flame seal the reagent-filled ampoules in our Quick Check tests that we blow a blast of pure nitrogen gas into the ampoules? This eliminates oxygen in the remaining airspace, and leaves you with pure, sterile, non-oxidized reagents, extending shelf-life almost indefinitely in most cases. Buying another brand that doesn’t do a nitrogen gas flush? You may want to think twice…



“Teaching my peers is only half of the battle”

James Nally began his career in law enforcement as a Law Enforcement Security Policeman for the United States Air Force.

After the military, James began his career with the Orange County Sheriff’s Department and worked several assignments including Correctional Facilities, contracted field operations providing Law enforcement services to a variety of County Facilities and over the last 20 years James has been assigned to the Sheriff’s Property & Evidence Unit.

“Having an understanding of both sides of the lockers has given me an objective perspective,” James says. I realize cops duties in today’s world are complex and demanding, yet as a support function of our agency, the evidence unit is here to ensure that none of their hard work is lost on a procedural error. We also understand our neutral role as evidence officers can be even more daunting when it comes to the disposition and or the release of evidence items to the people we deem “lawful owners”.

James has excelled in creating new standards or “Most Effective Methods” for Evidence Management. His passion or obsession for P&E has earned him the nickname of “Property Sick”, as his peers kiddingly call him. This passion led him to training.

“For the longest time in my law enforcement career, I never saw a need for training because my team at the Sheriff’s Dept. was large and knowledgeable. However it wasn’t until I attended my first CAPE meeting, (California Association for Property & Evidence) and realized most LE agencies were not providing training, under-staffed and supervisors were unable to resolve the unique P&E issues. I truly believe training became my passion as a result of Evidence Units being completely under served and my desire to elevate this industry.”

James has been instrumental in a multitude of projects that have helped elevate the California Property & Evidence Industry. “Teaching my peers is only half of the battle”, James said in a recent interview. “The other half is providing awareness for our Law Enforcement Leaders to understand, appreciate and reward the work that we do.”

James now enjoys training his peers with his company Chain of Custody. James said “When the attendees come to class it is not the traditional lecture yet a workshop where everyone participates.” He works hard to find unique, relaxed training venues. He is passionate about answering questions and providing easier solutions to his peers’ processes during his workshops.

Outside of his work with the OC Sheriff’s Department and Chain of Custody, James and his wife keep extremely busy with their 14 year old son’s sports and hobbies. To relax, you might catch him paddle boarding at the Newport Back Bay, riding his beach cruiser at Bolsa Chica State Beach, helping his son mix down his music recordings or chilling in the pool with a cocktail.

Visit chainofcustodypro.com to view all upcoming classes and to schedule a class.


  • Store in a cool, preferably dry environment.
  • Use one per 10-15 gallon fuming chamber.
  • Use 3-4 for car interiors.
  • Usually development is “done” within 5 minutes in a small chamber, 30-45 minutes for a car.
  • The created fumes and steam rises…place your evidence above for best results.
  • No need to add humidity, it is built-in.
  • Only use a few drops of the developer…or carefully watch development time.
  • Unit gets hot for at least 7-10 minutes during the process.
  • Be careful not to overdevelop.
  • Dispose of normally, use with adequate ventilation.

“Because the Truth Isn’t Gray.”

Following the data and the evidence provides the truth in black and white. With 24 years experience as a fingerprint/footwear examiner and 12 years as a crime scene investigator, John Black is sharing his knowledge through his company, Black & White Forensics, LLC in South Carolina. Their mission is simply “to focus on and provide quality forensic output.” They pride themselves on objectivity and a commitment to the physical evidence.

Black & White Forensics assists law enforcement, prosecutors, defense attorneys and others in understanding what the evidence means – or may not mean – in a given case. They can also conduct casework audits as a quality assurance mechanism so that both agency managers and bench examiners understand the quality of work being performed for their communities.

John says “I consider it a privilege to be able to share the knowledge and experience that I’ve been blessed to acquire.” He has trained groups such as law enforcement (patrol officers, investigators, managers), crime scene investigators, forensic scientists, military personnel, prosecuting attorneys, defense attorneys, forensic pathologists, coroners and high school and college students in more than 250 classes to date. The goal of the training courses is to ensure every attendee gains both a deeper understanding and working knowledge of the subject matter presented. John is happy to customize one of his course offerings, or it may be delivered in connection with Ron Smith and Associates, Inc.

When he’s not sharing his knowledge through Black & White Forensics, John says “I enjoy reading the Bible, spending time with my family, playing golf and trying to stay fit as I grow older.”

See all upcoming classes and course offerings at www.bwforensics.com.

Upcoming classes

Collaboration with Ron Smith & Associates:

  • June 10 – 14 – Understanding Exclusion & Sufficiency Decisions – Bowling Green, OH
  • Sept. 9 – 13 – Understanding Exclusion & Sufficiency Decisions – Irvine, CA
  • Sept. 16 – 20 – Fundamentals of Crime Scene Investigation – Arlington, TX

Visit www.ronsmithandassociates.com to sign up today!