The layout of the BODY PARTS along Ocean Parkway absolutely suggests one killer. Jessica Taylor's parts (head, hands and forearms) are found in close proximity to JD6's aka Manorville 2000 (head, hands and right foot) and she is something like 250 feet from the infant whose mother's (JD10) torso and upper extremities are found in the JFK sanctuary relatively near where the head of JD9 aka 9098 aka Davis Park leg woman is discovered. (Lets leave the Asian out of all this for now since he's something of a wildcard.) And so it's damn near impossible, in my mind, without taking a wild leap in logic, to say that the ones in the above group of victims are not the work of the same killer.
And...
I personally DO understand how one might then also conclude that the bodies of the Gilgo 4 should be included in that list as well.
BUT...
I guess the fact that the Gilgo 4 were not dismembered and were disposed of in a very distinct manner, along with the fact that there is a fairly good distance between JT, JD6 and the infant and the first of the Gilgo 4 (Megan), all puts some daylight in the theory of one killer – exactly how much daylight can be debated and has been... very vehemently so. And in some folk's minds I think they see that the closeness in proximity of the Gilgo 4 COULD possibly be something of a coincidence - being the long history this place has with bodies being dumped.
Even Chad Johnson, if you recall, who killed Jennifer Papain after meeting her on Craigslist a couple years back, went to Gilgo Beach and burned her clothes and purse after he had buried her body near the L.I.E. Ocean Parkway may just be that kind of a deserted area where these miscreants feel safe to do this kinda stuff and Gilgo might just be the best spot along it. I dunno. Personally I don't think either theory is so far fetched.
Look at the Shannan Gilbert case. If she ends up not being connected to any of the others, then what an almost impossible coincidence it is that she was responsible for all these other Craigslist victims being found. Yet that, at this point, appears to be considered a very strong possibility.
Reminds me of Nabokov's quote: "No man can bring about the perfect murder; chance, however, can do it."