crime Archives

Public street lighting for security in a parking garage and in a city, adhering to IES G-1-22.

IES G-1-22: Security Lighting For Critical Infrastructure

December 14, 2022January 23, 2023Alexandra Schirn

Public street lighting arose in 1417 when the Mayor of London (Sir Henry Barton) issued an order for people to place oil lanterns and hang […]

Dripping water into test tube to test sample through ASTM D4840 sample chain-of-custody procedures.

ASTM D4840: Sample Chain-of-Custody Procedures Standard

February 3, 2022January 11, 2023Brad Kelechava

What is Sample Chain-of-Custody? During criminal investigations, laboratory testing often is necessary to attain data from evidence. Proper sample chain-of-custody procedures instill integrity and nurture […]

An inked fingerprint showing why we all have fingerprints and why they are all different.

Fingerprints: From the Trees to a Life of Crime

July 27, 2018August 11, 2020Brad Kelechava

It’s impossible to leave no trace. When you leave a room, on the microscopic or forensic level, you always leave some piece of you behind […]

A forensic specialist suited up at crime scene next to car examining and preparing evidence through ASTM E860 methods.

Standard Practice for Examining and Preparing Evidence in Criminal or Civil Litigation

October 26, 2017August 11, 2020Brad Kelechava

In criminal or civil litigation, evidence—whether being adduced to establish, objectively establishing, or being relational to fact—is key for demonstrating veracity. This makes the spoliation of […]