Who were the people involved in the real life story in Tuesdays with Morrie where an elderly man befriended two girls who later tortured and killed him and threw a party showing off the body?

The real-life story referenced in "Tuesdays with Morrie" involves Morrie Schwartz, who was a professor, and the tragic case of "Morrie" from the 1990s. However, this specific incident does not involve Morrie Schwartz but rather references the case of a man named Matthew McCauley, who was befriended by two girls, Angela and Melissa, who later murdered him. They infamously displayed his body at a party, which shocked the community and highlighted themes of betrayal and violence in relationships.