Forensic Science

When a corpse is found, the presence of insects gets a lot of attention during the investigation. But which bugs show up for the flesh feast? And how much can these bugs reveal about death?

By John Fuller

When there's a suspect in a crime and the evidence includes a handwritten note, investigators may call in handwriting experts to see if there's a match. How exactly do experts go about analyzing someone's handwriting?

By Julia Layton

They stick around long after death and compete with the likes of Dracula, Frankenstein's monster and the Wolfman as one of the great figures of classic horror movies. Are you brave enough to unravel the history of these real-life, tangible ghosts?

By Tom Harris

You may know a bit about polygraphs, but do you know which physical reactions it actually monitors?

Bullet size is measured in calibers, but how are wires and nails measured? Learn about bullet size and caliber in this article.

Criminals always leave traces behind after a crime is committed. In fact, footprints, tire tracks and tool marks are often more prevalent than fingerprints at a crime scene. What can impression evidence tell an investigator?

By John Fuller

One of the most influential ideas in forensic science history is known as Locard's exchange principle. This simple, yet groundbreaking idea forever changed the way we fight crime. But who was Edmond Locard, anyway?

By John Fuller

Imagine walking through a field and stumbling upon scads of corpses, all in various states of decomposition. It's not the setting for your next nightmare, but rather a very real discipline of forensic anthropology.

By Tom Scheve

Learn what really goes on when a CSI "processes a crime scene" and get a real-world view of crime scene investigation from a primary scene responder with the Colorado Bureau of Investigation.

By Julia Layton

The thought of an autopsy usually provokes fear, apprehension or extreme anxiety in people. Cut through the mystery of this process and learn the details of the preparation, procedures and tools used to perform an autopsy.

By Robert Valdes & Patrick J. Kiger

When you watch crime drama on TV, you don't usually see what happens after the police and ambulance leave a murder scene. One thing those people do not do is clean up the blood. That's the work of a whole different team.

By Julia Layton

Coroners and medical examiners both help investigate unusual or violent deaths. The two jobs are different, but deeply connected.

By John Donovan

Investigators quickly determined that the wildfire that killed five firefighters and burned more than 40,000 acres in Esperanza, CA, was the result of arson.

By Julia Layton

If serial killer Ted Bundy hadn't been a biter, he might never have been caught. What can bite marks and teeth tell us about a person?

By Shanna Freeman & Melanie Radzicki McManus

Forensic scientists can help law enforcement catch even the wiliest perpetrator. What are their techniques?

By Stephanie Watson

Will your favorite criminal drama feature investigators packing calculators instead of heat? Probably not. However, forensic accountants help investigate criminal and civil cases involving financial issues like fraud.

By Shanna Freeman

Detectives arrive at a crime scene and lift fingerprints from the murder weapon. They'll use these oily markings to catch their criminal. But how do they match the print to the killer?

By Stephanie Watson

They say gunshot residue is not a good way to ID a suspect.

By Melanie Radzicki McManus

In detective movies or TV shows like "CSI," photographers swarm in and take countless pictures of a crime scene. But how does crime scene photography really go down?

By Sarah Dowdey

First, you burn the body until only brittle, pulverized bones are left. These remains are pulverized into ashes, and then placed into urns -- or diamonds, coral reefs and even outer space.

By Michelle Kim

If you were thrown into prison for a crime you didn't commit, you'd probably welcome DNA profiling. Although the use of this technology has recently helped bring justice, there may be cause for concern.

By Shanna Freeman

The bloodstain from a crime scene has a story to tell, if you know how to analyze it. Then it might explain the who, what and when of a murder.

By Shanna Freeman & Melanie Radzicki McManus

DNA found at a crime scene doesn't automatically mean the person matching it is guilty, say researchers of new forensics guide.

By Dave Roos

A rise in carbon-14 in the early 1960s from nuclear bomb testing and radioactive contamination had some unexpectedly useful side effects. It's called the bomb pulse, but its benefits won't last forever.

By Patrick J. Kiger

Our fingerprints serve to definitively identify us forever, right? But do they? How long do fingerprints remain usable as identification after we are dead?

By Patrick J. Kiger