Podcast:The Knife: A True Crime Podcast Rating: Explicit Published On: Thu Sep 18 2025 Description: Burt Rosen searched for his missing son, Matthew, for over twenty years. Matthew had been struggling with mental illness when he vanished in 2001. Burt spent day-after-day making phone calls, scouring the internet, searching for any sign of his son. And then, 23 years later, a tip came in that changed everything. Hold On To Hope: https://hold2hope.org/ See omnystudio.com/listener for privacy information.