The Long Island Serial Killer case has several notable aspects. Firstly, the discovery of multiple bodies in a particular geographical area, like Gilgo Beach, is a major factor. The victims' backgrounds, being mostly involved in sex work, have also influenced the investigation. Moreover, the length of the investigation is significant. It has spanned many years, during which investigators have explored countless leads, interviewed numerous witnesses, and analyzed a vast amount of forensic evidence, yet still haven't been able to close the case.
One key fact is that the victims were mainly found near Long Island beaches. Another is that many of the victims were sex workers. Also, the case has been difficult to solve due to lack of conclusive evidence directly pointing to a single suspect.
Well, the fact that the Long Island Serial Killer has managed to remain unidentified for so long is a key point. The victims' remains were scattered in areas that are somewhat isolated on Long Island. DNA evidence has been a crucial part of the investigation, but it hasn't led to a clear identification of the killer yet. The nature of the victims' occupations made it challenging to piece together their final movements and interactions, as they often had a more fluid lifestyle compared to the general population, which has been a stumbling block in the investigation.