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The microscope allows for a closer look to different objects. Without them they wouldn't be able to break cases. They magnify objects and show all the details that wouldn't be visible normally. -
Credited with creating the first ever crime lab. He developed the principle that everything leaves a trace. He used this when creating crime labs because he knew that he could identify the traces. -
The polygraph also known as the "lie detector" was created to help conduct investigations and interrogations. -
The fume hood is used in labs to keep gases and vapors contained. They help increase the safety in the lab. When used correctly they end up being one of the most reliable engineering controls. -
Responsible for perfecting the comparison microscope. This is used to firearms and their ammunition. He is recognized as the Father of Firearms as he became the leader of the group of scientists who studied firearms. He examined bullet casings as well. -
These are performed during autopsies to see what kind of drugs were in a person's system. It is also measured to see the concentration to see if the dose was legal. -
The crime labs are used for scientists to analyze DNA found at crime scenes. It also investigates anything from fingerprints to suspicious substances. -
Was created to make a visual graphic display known as the voiceprint. This would help tie a voice recording to a specific suspect. This is used by the Voice Print Analysis Unit. -
His contribution in forensics science was through his expertise in blood spatter analysis. Spalding training FBI agents and helped changed the way crime scenes are investigated. -
This compares DNA sequences from different sources to see if they are the same. The crime scene DNA is compared to the suspected individual, and that helps solve crimes. -
The portable infrared lights are used in crime scenes to help investigators see things that are not visible to the naked eye. It can help detect blood stains on dark backgrounds, and it is a rapid non destructive technique. -
Responsible for murders in the 1970s and 80s, Joseph DeAngelo was arrested in 2018. He evaded capture for many decades. He became the first public arrest from genetic genealogy.