If we accept this framing, we might speculate further by imagining the "random street crime" part is either a cover-up or the murderer intended it to look like,

If we accept this framing, we might speculate further by imagining the "random street crime" part is either a cover-up or the murderer intended it to look like, "random street crime". A bit too morbid to speculate on for my taste, but I hope this helps to explain.