In Investigation Discovery’s hit series, True Conviction, renowned Brooklyn homicide prosecutor Anna-Sigga Nicolazzi travels across the country to reveal how the nation’s top prosecutors handled their toughest cases, showing viewers how cases may start with an investigation, but end with the law. Once a suspect is detained, the battle begins and the ultimate win for a prosecutor is when the right person is behind bars. For Nicolazzi, it’s not just about finding a criminal, it’s about securing justice.

In each episode of True Conviction, Nicolazzi -- who spent 21 years as a prosecutor specializing in homicides -- explores real stories of how cases are solved on the street and won in the courtroom in a close cooperation between detectives and prosecutors. She visits the scene of each crime and meets with key figures of the case including the loved ones and investigators. Along the way, Nicolazzi shares her personal reflections and insight into the crime, connects elements of the story to her own experiences as a prosecutor, and reveals how the complex layers of each murder investigation came together in the courtroom.

Nicolazzi tried over 50 felony cases to verdict during her time in the Brooklyn District Attorney's Office, one of the largest and busiest offices in the country. Her cases and prosecutorial style have been profiled in numerous news outlets, including The New York Times, New York Magazine, and Vanity Fair, and she has frequently appeared as a legal analyst on multiple networks, including FOX, ABC, CBS, CNBC and HLN.