Maria Hartwig completed her graduate training in her native Sweden, where she conducted empirical research on social perception and judgment in legal settings. In 2006, she joined the faculty of John Jay College of Criminal Justice. She has published research on the psychology of deception and its detection, and on interview and interrogation techniques using a broad sample of lay people, legal professionals and prison inmates. She has also carried out extensive training of a variety of legal professionals, including prosecutors, judges, law enforcement and intelligence and military officers. In 2008, she received an Early Career Award by the European Association for Psychology and Law, and in 2012, she received the Saleem Shah Award for Early Career Excellence in Psychology and Law, awarded by the American Psychology-Law Society and the American Academy of Forensic Psychology.