well since there is not conclusion to the article, how am I to look at it from a different angle? People have been charged, there is physical evidence. What sets it apart from most violent crime-there is no robbery-enter a nihilistic, random, ritualistic component. Hard to crack down on, since the pattern is random. Have you ever watched "The Rope" maph? early alfred hitchcock based on a real case in the late 20s or early thirties of two college students out to commit the "perfect " murder.
These recent cases seem to be black teens, but in no way do I think this is a racially motivated crime (as a way to identify and prevent. These are young men living animalistic lives-separated from rational self interest. Without purpose. Endemic of our culture.