 Later, while Friedman was working on her book "Buried Alive", she determined that the time frame of the Joplin-Caserta encounter was one week before Jimi Hendrix's death.Within a few days, Joplin became a regular customer of the same heroin dealer who had been supplying Caserta.Joplin's manager Albert Grossman and his assistant/publicist Friedman, had staged an intervention with Joplin the previous winter while Joplin was in New York.