Motive

***NEWS ALERT*** Today, is the anniversary many ghost hunters know. The 36th year anniversary of the murder of Penelope Hunt, an 18 year old woman, who was brutally tortured to death in her New York home on Sunday, August 3, 1978. Three days later on Wednesday, August 6, 1978, the believed body of her missing boyfriend, Trevor Johnson, was found in a local river. Although, the body was believed to be Johnson, the face was unrecognized. The murder case was dropped three weeks later, with the investigating officer, Johnson's own father and New York Chief of Police , Frank Johnson. However, her murderer was never discovered. Who would walk away from such a crime? What was their motive?