A lawyer has gone missing, while a plastic surgeon stands trial for murder, representing himself in court. The case is rife with unsettling elements, such as a bag associated with the crime and a substance capable of causing paralysis. Erin Moriarty, a correspondent for “48 Hours,” alongside consultant Herman Weisberg, delves into the murder trial of Dr. Tomasz Kosowski, examining the compelling evidence that ultimately resulted in his conviction for the death of attorney Steven Cozzi.