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Professor Takes Us Inside the Work of Forensic Science and Crime Scene Investigation

Michelle Miranda, associate professor at Farmingdale State College. stand in front of shelf of microscopes

Today’s television cop shows make solving crimes look so easy. But once upon a time criminals in police dramas such as Dragnet (‘50s), Naked City ( ‘60s), Columbo (‘70s), Hill Street Blues (‘80s), and Homicide: Life on the Street (‘90s) were brought to justice by 60 minutes of sheer grunt work: detectives chasing down leads, grilling suspects, interviewing witnesses, poring over evidence, enduring all-night stakeouts, dogging the medical examiner, extracting confessions, negotiating with the district attorney’s office, and so on.

Of course, there are still lots of TV shows and films in which crimes are solved this way. But in 2000 there was a seismic shift away from sweaty street work to a sexier way of solving murders, assaults, arsons, kidnappings, rapes – all sorts of crimes. That’s when CSI: Crime Scene Investigation debuted on the CBS network, forever changing the public’s perception of how cops catch bad guys.

Now it’s all about forensic evidence: gunshot residue, blood spatter, skin cells, hair, saliva, fibers of all kinds, shoe and tire imprints, paint chips, and the granddaddy of crime busting, DNA. Oh, and one more thing: tattoos.

The forensic science behind tattoos and tattoo inks is the subject of a new book – Forensic Analysis of Tattoos and Tattoo Inks (CRC Press) – by Michelle Miranda, associate professor in the Department of Security Systems & Law Enforcement Technology at Farmingdale State College, and a forensics consultant. She’s in the investigative trenches, and has strong opinions on how forensic science is portrayed on TV.

tatoo on forearm of reindeer like animal

A tatoo on the wrist of associate professor Michelle Miranda. (Photo courtesy Jennifer Wilbur)

“Forensic science has been portrayed as ‘cool’ and all-encompassing,” says Dr. Miranda, who before joining the Farmingdale faculty worked for the NYPD in its Forensic Investigations Division’s Trace Evidence Analysis Section, and in medical examiner’s offices in two New York counties.

“On TV, the investigator pulls up to the scene in a nice car, walks around, and maybe takes some photos or collects some blood, talks to colleagues, carries a firearm, chases the suspect down and interrogates him at the precinct, analyzes samples at a lab bathed in neon lights, and finds one piece of evidence that cracks the case – and then goes home at the end of the work day.” (Ironically, one of the reasons Dr. Miranda began studying forensics was the reality-based TV show, COPS.)

Of course there was much more to it than that. Dr. Miranda is a graduate of Manhattan College, where she majored in biology with the intention of going on to medical school. But then two life-changing things happened: she took a molecular biology course, which exposed her to forensic science and DNA analysis, and attended a lecture by an official from New York City’s chief medical examiner’s office. From that came an internship at the medical examiner’s office, and after completing her MS in forensic science at City University of New York, a five-year stint with the NYPD forensic investigations unit. From there she worked as a medical photographer for the Suffolk County (Long Island) medical examiner’s office and a death investigator for the medical examiner in Rockland County.

It was at the latter job, while working on a case, that Dr. Miranda had an epiphany about the value of tattoos in solving crimes.

Learning about the value of tattoos in criminal investigations

“A body was found burning in a park and the criminal investigation and preliminary means of identification were based on a tattoo found on the victim during the autopsy. Due to the damage to the remains from being set on fire and charred as a result, traditional identification methods – such as facial features and fingerprints – were unsuitable.”

Soon after, Dr. Miranda found that she loved forensic science so much that she thought she could help better the field by teaching what she’d learned. She started as an adjunct assistant professor at CUNY’s John Jay College of Criminal Justice (where she still teaches), and in 2011, while she was finishing up her PhD in criminal justice at CUNY, joined the Farmingdale faculty. Now, she says, she loves the classroom as much as working in the field.

“I truly enjoy teaching future police officers and lawyers about forensic science. It is rewarding when a former student reaches out to me after they have seen their first crime scene – or dead body! It is so important to teach these concepts to those likely to be first responders, or who are responsible for securing a crime scene even before the forensic scientists and investigators begin their work.”

But as serious as the work is, Dr. Miranda has discovered the lighter side of the field too.

“A problem is that TV viewers feel they can become forensic scientists due to the ease at which crimes are solved on these shows. I have had so many prospective students say, ‘I want to be a forensic scientist, but I don’t like science.’ I once had a prospective graduate student ask me how many classes she would need to take before she could do an autopsy!”

But Dr. Miranda is dead serious when it comes to studying tattoos as forensic evidence and the chemistry of tattoo inks. Her book – the first of its kind – is a guide for examination and analysis of tattoos and tattoo inks; provides examples where tattoo evidence has been used in criminal investigations; explores the history of tattoos and tattoo inks; and is loaded with nearly 300 photos and images of tattoos, some dating back centuries. In time it may become one of the cornerstones of forensic science literature.

“I hope my book creates awareness; I want all investigators and forensic scientists to be aware that tattoos and tattoo inks can be useful in forensic investigations,” Dr. Miranda says.

CSI’s Gil Grissom would probably agree with her one hundred percent.

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There are 5 comments

  • Carl Green says:

    It’s interesting to learn that tattoos are looked at in forensic science investigations. My brother is wanting to get into the crime investigation industry and he was wondering what he can look for once he gets a job. I’ll be sure to tell him to study tattoos if he becomes a forensic scientist.

  • Kate says:

    This is a really inspiring post! Thaanks for that! Forensic science seems to really interesting. I would always love to read detective books where they describe those investigations and difficult cases. I believe a tattoo can say a lot about a person. Take any and you’ll find out some of person’s features.

  • Marianne Olsen says:

    Interesting outlook and very thrilling post! I hate violence but love helping people, I dislike action movies but love thrillers! I am a psychologist student, I never thought I could be a forensic scientist but seems like all the leads point to that direction. I will keep myself posted while looking for the patterns thank you professor!

  • Sal Damasco says:

    It’s all about the details,

    I’ve been in the engineering field right out of High school in 1977. I started out as a drafter making detail drawings. I began making drawings at the age of 15 because my dad was in the field and brought drafting work home. I took an interest. My point? Paying attention to detail is a very important part of forensic science. Once I was picked to be part of a jury. I later found the prosecuting attorney wanted me on the jury. He felt because of my background I would be an influence on paying attention to the forensic evidence. I did. From distinctive footprints left by the defendants sneakers and other tell tail signs. It was a very interesting experience. I can see how tattoos can play a significant roll when paying close attention to detail. Oh…The defendant pleaded a deal in the long run. We would have found him guilty based on the evidence.

  • Paul Dearing says:

    Great post

    Young kids who watch TV shows on crime scene investigation really gets inspired and motivated to peruse their career as crime scene investigator.

    I too believe that tattoo can play a major role in investigating a crime scene.
    Feel really great by reading such knowledgeable posts.

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