There are many cases of murders of high school students in today's world. Murder is a very heinous crime and is a highly punishable crime. ABC has provided a series in which there are many murder cases. One such case they have shown in their series titled "20/20: Undercover Mother" is of Mark Fisher. Now this is a case of murder and a mother who tries her best to prove that her son is not guilty. So viewers now have questions in their minds How did Mark Fisher die? Who is the culprit behind the death of Mark Fisher? What happened to Mark Fisher and did he get justice? So read this article to find all answers to such questions. How Did Mark Fisher Die? Mark was born in New Jersey to Nancy and Michael Fisher. He was a nineteen-year-old football player who had a dream of living a good life ahead. Mark was a very cheerful boy who loved his life a lot. Due to his football love, he got admission to Fairfield University. He has a dream of becoming an accountant and so he entered the Dean's list. He had a brother and sister other than him at his home. His brother's name is Michael Christopher Fisher and his sister's name is Alexis Fisher. Now Mark was very honest and hardworking as he had learned from his family. It was 12 October 2003, when Mark met a friend of his. He went to Manhattan's Upper East Side where he met this girl. Now, this friend introduced Mark to a friend of hers. This friend invited Mark to a party hosted by John Giuca when his mother was not there. There were a lot of people at this party which came into pace in no time. According to Giuca, he saw Mark for the last time sleeping on the couch with a yellow blanket. It was five in the morning when he saw him there. Later on, at 6:40 A.M., the police heard gunshots in this area and they immediately arrived there. After the police entered the crime scene, they found Mark shot dead. A total of five bullets hit Mark which made him die. MUST READ Where Is Jeffrey Willis Now? What Was His Relation With Jessica? What Did The Court Held? Killer Of Mark Fisher After the police found the body and the investigation began, it became a massive news story in the media. Now the police started interrogating every individual who was present at the party. Among these individuals, Albert Cleary was also there who was John's childhood friend and neighbour. When Albert was interrogated, he was on probation due to a brutal assault. But there was not enough evidence that he had murdered Mark so he was let go. Antonio Russo was another major suspect in this investigation. He was a college student but dropped out to become a drug dealer. Also, after he was investigated, he flew to California. But not only Antonio was a major suspect, but John was also the prime suspect. It was because John's friends said that the bullet casings that were found near the body were from the pistol John was having. Also, John's girlfriend Lauren Calciano and childhood friend Cleary told the police that John had assigned Russo the task of killing Mark. Now John was arrested under many charges like Murder, Robbery, Manslaughter, and so on. Both Russo and Giuca were arrested after a year of the crime. What Happened To The Killers? Now a jailhouse informant told the police and jury that Giuca has confessed to the crime in front of him. He said that Giuca said that Russo had fired the bullets at Mark and they both killed him. In court, both of them were found guilty and sent to jail for a tenure of 25 years. Currently, John is serving his sentence in New York State’s Coxsackie Correctional Facility. No appeals made by him worked out and he has to stay in the facility for the next decade. MUST READ Is Victor Conte Married? What Is The Relationship Status Of The Steroids Mastermind Currently?