In June 1930, Joseph Mozynski's secret affair with Catherine May led to a chilling encounter. While sitting in a parked car in Queens, New York, Joseph was fatally shot by an unidentified man. The mysterious killer handed Catherine a cryptic note, leading police on a wild chase filled with eerie letters and threats. Discover the harrowing details of this unsolved mystery and how the letters unveiled the darkest secrets of the 3X Murders in this gripping true crime documentary. Join freelance cold case detective Ty Notts as he delves deep into true crime cases, shedding light on unsolved mysteries and unexplained crimes. Follow for more true crime documentaries released each week.