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48 Hours: Case by Case

48 Hours: Case by Case

A Deadly Obsession: The Murder Trial of Dr. Kosowski

Oct 2, 2026 · 34m

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On this episode

About this episode

A missing lawyer, a plastic surgeon representing himself at trial, and a case filled with chilling details, including a murder bag and a paralyzing agent. "48 Hours" correspondent Erin Moriarty and "48 Hours" consultant Herman Weisberg unpack the murder trial of Dr. Tomasz Kosowski and the evidence that led to his conviction for the murder of attorney Steven Cozzi.