Jim Trainum was a homicide detective with the Metropolitan Police Department in Washington, DC, for 19 years. He created MPD's Violent Crime Case Review Project, which oversaw the review of old homicide cases. Trainum wrote a chapter in the book Criminal Investigative Failures, detailing a false confession that he obtained in 1994. In 2010, Trainum completed an assessment of the interrogation practices of the New Orleans Police Department at the request of the DOJ. He has presented at universities, police academies, legislative bodies and conferences on cold case investigative techniques, criminal profiling, avoiding investigative pitfalls, police reform and false confessions.