48 Hours 48 Hours

A Deadly Obsession: The Murder Trial of Dr. Kosowski

Oct 2, 2026 · 34m

Summary

This episode of 48 Hours' "Case by Case" examines the conviction of Dr. Tomasz Kasalski for the first-degree murder of attorney Stephen Causey, a "no body" case driven by overwhelming circumstantial evidence. Host Aaron Moriarty and consultant Herman Weisberg analyze Kasalski's bizarre decision to represent himself in a bench trial, his failed attempts to physically demonstrate his innocence, and the incriminating items found in his car, including a paralytic agent and blood-stained vest. The discussion highlights the chilling details of the alleged crime, such as the use of a muscle relaxa…

Topics discussed

Defendant claims moving body was physically impossible Dr. Kasalski found guilty of first-degree murder Background: Legal dispute and bathroom confrontation Arrest details and the missing body Consultant Herman Weisberg joins the show Warning signs and the defendant's obsession The 'God Complex' and lack of criminal history Investigation: Surveillance video and initial response Analysis of the circumstantial evidence Courtroom demonstration and physical feasibility Evidence found in the car: Cash, weapons, and blood Defendant's behavior in the squad car The paralytic agent and its horrifying implications Blood pattern analysis in a no-body case Dumpster evidence: Smell, dogs, and phone data Critique of self-representation and lack of defense Defendant's demeanor and refusal of psych evaluation Failed courtroom demonstrations and expert testimony Defendant's background and motivation for the crime Verdict, sentencing, and death penalty arguments Victim impact statements from family Closing remarks and show promotion
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