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Tej Bhatia is not exactly the cloak-and-dagger type, but, if pressed to explain himself, the affable, slightly built professor, with a mop of brown hair and thick mustache, is proof that appearances are deceiving.

Tej Bhatia works with a student.

Which is probably a good thing, considering his line of work.

A linguistics professor in Syracuse University’s Department of Languages, Literatures, and Linguistics (LLL), Bhatia has held a myriad of positions on campus. In the , he oversees the South Asian Languages Program and has directed both the linguistic studies and cognitive science programs.

But it’s Bhatia’s up-to-the-minute work as a fellow in the college’s Forensic and National Security Sciences Institute (FNSSI), where he conducts research and mentors graduate students, that has brought him recent acclaim.

“Tej’s work is certainly groundbreaking and brings together several key disciplines, including psychology, linguistics and pattern recognition,” says James T. Spencer, Meredith Professor of Chemistry and executive director of FNSSI. “He’s setting high standards of excellence that are opening up new multidisciplinary dimensions of the field.”

To be sure, Bhatia’s work in FNSSI marks the culmination of years of study in practically all branches of linguistics. This has led to his publication of 16 books and dozens of articles and book chapters, many of which focus on South Asian linguistics. Last year, the American Library Association named “The Handbook of Bilingualism and Multilingualism” (Wiley-Blackwell, 2012), which Bhatia co-edited with LLL professor William C. Ritchie, a “CHOICE Outstanding Academic Title.”

“Language is central to understanding two underlying aspects of the deceptive mind: the capacity to deceive and the capacity to detect deception,” says Bhatia, who is routinely hired to work cases involving intercepted cell phone conversations, money laundering and people seeking political asylum. “I’ve gained deeper insights into the traumatic violent mind by adapting an interdisciplinary approach to forensic linguistics, forensic psychiatrics and computational linguistics.”

Case in point: Bhatia is spearheading a number of group research projects, several of which involve FNSSI and LLL and are seeking federal funding. Common to all of them are issues of trauma, identity decoding, fraud and deception, interpretation and translation, and trademark infringement.

In fact, it’s been Bhatia’s work in trademark infringement, as of late, that has burnished his reputation as a leading forensic linguist. General Mills probably wouldn’t have settled its long-running trademark dispute with the Greek yogurt maker FAGE were it not for Bhatia’s recent expert analysis. At stake was use of the word “total,” which General Mills and FAGE have used to brand cereal and yogurt, respectively.

“The issue was whether or not General Mills needed trademark protection from a young brand,” says Bhatia, adding that the case took up more than two years of litigation and a decade of proceedings at the Trademark Trial and Appeal Board (TTAB). “Ultimately, General Mills dropped the infringement case, and FAGE dropped its appeal of the TTAB ruling in General Mills’ favor.”

One of Bhatia’s current group projects involves biometric forensic psychiatrics speech—a nascent, but rapidly growing field drawing on forensic linguistics and forensic psychiatrics.

“This project seeks to bridge the gap between the study of the language of sentimentality, identity and trauma issues, by carrying out theoretical and applied research,” says Bhatia, who is collaborating with James Knoll, professor of psychiatry and director of forensic psychiatrics at SUNY Upstate Medical University.

Already, Bhatia is scheduled to deliver a plenary address on the subject at next year’s joint conference of the American and Canadian associations of Applied Linguistics. The title of his talk is “Identity and Trauma in Mass Murders’ Accounts: A Forensic Linguistic Perspective.”

It’s likely that Bhatia will reference the Unabomber case—one of the more celebrated examples of biometric forensic psychiatrics speech, in which a reclusive mathematician mailed and hand-delivered a series of sophisticated “letter bombs” in the 1980s and ’90s, killing three people and injuring two dozen more.

Bhatia says it was not gunpowder or DNA that led the FBI to the Unabomber; it was linguistic analysis—the study of word choice and other linguistic patterns found in the suspect’s writings—that cracked one of the biggest, most expensive criminal cases in U.S. history.

“While forensic psychiatrics provides insight into the dark side of mental health, it has not focused on language to identify the ‘linguistic fingerprints’ left by individuals prone to violence or trauma,” Bhatia says. “Forensic linguistics can complement forensic science, as well as be the only tool with which to solve forensic problems, as in the case of the Unabomber.”

The overlay of conscious deception is becoming more complex, says Bhatia, citing the case of Ted Bundy, a charismatic serial killer who assaulted and murdered a number of young women during the 1970s.

“The goal of forensic linguistics is to take a multilingual approach to lie detection. Only through state-of-the-art technology and teamwork can we effectively navigate the slippery boundary between truth and deception, particularly in social media,” he adds.

Clearly, forensic linguistics requires teamwork, and Bhatia has good people at his disposal. Among them are Bei Yu, assistant professor of information studies in Syracuse’s ; Robert B. Murrett, deputy director of Syracuse’s Institute for National Security and Counterterrorism and professor of practice in public administration and international affairs in the ; and colleagues at the Stevens Institute of Technology in Hoboken, N.J., where deceptive data is scrutinized within the framework of cognitive linguistics.

Gail Bulman, associate professor of Spanish and chair of LLL, is one of Bhatia’s most ardent champions. “Tej’s work in forensic linguistics shows language as a key predictor of human behavior and is paving the way for developments in criminology, psychology and sociology. His research is among the most innovative and diverse in all of sociolinguistics,” she says.

Another group project involves the study of deception on the Web and social media. The initiative, which Bhatia is submitting for funding in November, relies as much on mathematical modeling as it does on elements of linguistics, psychology, information and computer engineering.

“When we transcend language and cultural barriers, the propagation of deceptive information through the Internet and social media portals can have severe sociological, physical, psychological and economic consequences,” he says.

Bhatia is also a scholar of South Asian languages (e.g. Hindi, Urdu, Punjabi and Saraiki) that are deemed “critical,” by national security standards. As such, he was recently invited to lead a two-week workshop on language acquisition and language-teaching methodology at the Defense Language Institute Foreign Language Center in Monterey, Calif.

Central to his success there and at Syracuse has been the Threat Assessment Multilingual Database (CTAMD), which Bhatia has established and is one of the world’s largest repositories of “threatening” documents. Initially designed for the intelligence community, CTAMD may someday serve the public at large.

“CTAMD will provide the infrastructure needed to achieve both theoretical and applied goals in forensic biometrics, related to the use of language,” Bhatia says. “It’s been my lifelong ambition to build such a repository, which will provide a new way to study the visual and verbal markers of deception and violence from the writings of, interviews with, and court documents of master criminals.”

Not everything Bhatia does is cloaked in intrigue. For example, he was recently invited to speak at a conference at Uppsala University, Sweden, about his recent discovery of the oldest grammar of Hindi, written in Dutch in 1698. This work was co-funded by the Japan Science Foundation and Japan’s Ministry of Education, Culture, Sports, Science and Technology.

“It has inspired a new phase of research into the Hindi language and the European search for scientific knowledge of India,” he beams proudly. “Still, I had to rely on forensic science, such as dating and authorship, to verify what I had found. Forensics are everywhere.”