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Bad Guys, Good Bugs


Bad Guys, Good Bugs

You can’t swat away a bug when you’re dead—a simple, if macabre, fact that makes Dr. Gail Anderson’s trailblazing research into the field of forensic entomology possible. 

It was the late 1980s and Dr. Gail Anderson was close to finishing her PhD in pest management at SFU. But she was frustrated—her recent discovery of a cure for a minor yet common horse disease hadn’t gained any commercial interest. Around the same time, her biological sciences professor Dr. John Borden suggested Anderson’s bug expertise to police who were working on a local homicide case. She was struck by the immediate usefulness of forensic entomology—that research done in the lab one day could be used in court weeks later as hard evidence.

And so, she took a sideways step along the entomology career spectrum. “I had always wanted to do something useful with my knowledge of insects,” says the British-born professor. “And then John presented me with this opportunity and I thought: what could be more useful than helping police solve crimes and catch bad guys?” Not long after, she went on to become the first full-time forensic entomologist in Canada.

Since the 1990s, Anderson has conducted multiple studies using pig carcasses—they make for an acceptable stand-in for humans—in order to study the predictable manner in which insects colonize dead bodies. Her team has left the carcasses on land, buried them under ground, and submerged them in lakes and oceans to see how insects interact with the dead flesh in a variety of settings. This work has greatly contributed to the baseline of data used worldwide by police and forensic teams.

It has also helped convince law enforcement agencies, coroners, and other scientists, that the forensic entomology methods can provide crucial evidence. Just a few decades ago, bugs found on bodies were considered a nuisance to be swept aside, but now Anderson’s job includes training police officers to collect flies, maggots, beetles and other signs of insect life so she can take them back to her lab for analysis. “My research establishes the approximate time of death,” she says. “It can also help investigators determine whether the body has been moved, disturbed or wounded—information that can lead to outcomes such as identification, exoneration and conviction.”

Despite the clearly distasteful and disturbing elements of her job, Anderson pushes past her squeamishness by putting on her rational scientist’s hat. “I don’t like watching blood and guts on TV but when I am at a crime scene I know my work is potentially going to be very important, so I very quickly look at the insects and the evidence and start working.”

She also never forgets that she can help deliver a sense of closure to a victim’s family and friends, and even to society at large. “When I’m called upon to work on a case, it usually means that someone has died before their time,” she says. “If my analysis provides evidence leading to prosecution, then at least the person responsible can be stopped from killing again. Also, homicides have a major impact on the public psyche and so this work can help alleviate that by speeding up and solving an investigation.”


Anderson, Gail. “DR. GAIL S. ANDERSON, Professor, Associate Director.” SFU. n.d. Web. 16 Oct. 2015.

AP Archive. “RRO248/B Canada: Forensic Bugs.” Online video clip. YouTube. YouTube, 21 July 2015. 16 Oct. 2015.

Fernandez, Sandy M. "Dead Men Tell No Tales--But Bugs Do." Time 157.11 (2001): 58. Academic Search Complete. Web. 16 Oct. 2015.

Jones, Nicola. "Opinioninterview." New Scientist 173.2325 (2002): 38. Academic Search Complete. Web. 16 Oct. 2015.

“Insects as Evidence.” Online video clip. SFU Museum of Archaeology and Ethnology, SFU Museum of Archaeology and Ethnology, n.d. 16 Oct. 2015.


Gail Anderson is a professor of forensic entomology and co-director of the Centre for Forensic Research at Simon Fraser University. She is a past president of the North American Forensic Entomology Association, the Canadian Society of Forensic Sciences, and the BC Entomological Society, as well as past chair of the American Board of Forensic Entomology. She is also a Fellow of both the American Academy of Forensic Sciences, and the Canadian Society of Forensic Sciences. In 1999, she established the Forensic Entomology Laboratories at SFU, the first lab built in North America to specifically research how insect biology can aid in criminal investigations. In 2001, Time magazine listed her as one of the top five global innovators in the Criminal Justice Field. She is the only woman ever to receive the Derome Award (2001), the Canadian Society of Forensic Science’s most prestigious honour. 

Q & A with Gail Anderson 

What motivates you as a researcher? 

Research conducted in the laboratory or the field can be directly and immediately applied into a homicide investigation. The foundations of my research are grounded in basic science, but the results have far reaching impacts in death investigations. Much of my research is based on questions developed from casework so it’s directly applicable to a crime scene.          

How does your research make an impact in our lives? 

My research has a very direct impact on homicide investigations and trials as well as in animal abuse cases and wildlife crime.

How important is collaboration in advancing research? 

Collaboration is vital in my work: not just traditional collaboration with other academic scholars but with death investigation practitioners such as police, coroners and forensic laboratory scientists. Collaboration allows the real world of death investigation to integrate with the academic world and the research we conduct.

SFU bills itself as “Canada’s most engaged research university.” How does your own work exemplify this spirit of engagement? 

SFU has embraced and supported my work long before “forensic entomology” or “CSI” became household words. When I began, forensic entomology was a fledgling science and SFU was the only institution that recognized the immediate value of doing research and casework with such a strong applied purpose–my work is all about the community and the criminal justice system.

As well as doing actual casework for police and coroners and testifying in court, I am a member of Scientists and Innovators in the Schools and am listed in the University’s list of ‘experts’ so regularly am asked to give talks to everyone from schools to seniors groups and everyone in between. The public needs to be engaged in the university so they can understand what we do and how it impacts them and their community.