OK, follow this...
Robert Shulman's brother helped dispose of the bodies. As it turns out, guess where his brother lived? Long Beach.
http://www.newsday.com/li-serial-killer-is-dead-1.593933
To get from Hicksville (where Shulman killed his victims) to Long Beach, you would definitely take the Wantagh Parkway all the way south, to the Jones Beach circle. I am now assuming that Shulman or his brother drove down towards the beach to dispose of Jane Doe 1996. The legs were probably thrown into the bay from either the 2nd or 3rd Wantagh bridge, and eventually made their way out the Jones inlet and over to Davis Park in Fire Island.
As far as her skull, Shulman and/or his brother would have headed east of the Jones Beach circle to dispose of Jane Doe 1996's head just west of Tobay (which is the first turnaround where you could head back west towards Long Beach). By disposing of the legs in the bay and the head on land, we definitely see an attempt to prevent identification. The fact that her head was deposited east of the circle, it could suggest that the person was attempting to obfuscate any link to Long Beach, which would be a natural assumption if remains were found on say Loop Parkway. Shulman and his brother were known to attempt to obfuscate identification of the bodies by dismembering and also known to dispose of bodies along roadsides (i.e., "Jane Doe Medford"). He also was known to regularly dispose of body parts using plastic garbage bags (see
http://caselaw.findlaw.com/ny-court-of-appeals/1479155.html). As we known, Jane Doe 1996's head was found in a plastic garbage bag.
So, what do the scars on Jane Doe 1996's legs mean? They probably mean she was an IV drug user that injected crack cocaine directly into her femoral artery. We can assume this because she was a younger. If she had indeed had a fasciotomy, as some here have suggested, it would be to relieve pressure from Compartment Syndrome. I highly doubt this because a younger person would most likely get compartments syndrome from some kind of accident, like a car accident or broken legs from a ski accident, etc. You'd probably see compartment syndrome more in older people. So would she have been so unlucky as to get compartment syndrome in both legs? Probably not.
Here's what we know:
"The toenails of one foot were painted red and the right leg had 3 1/2-inch scar on the rear calf and L-shaped scar on the shin. The left leg had a 3 1/2-inch scar on the inner side."
So, were these scars "surgical" in nature? Probably not. They were probably the result of leg ulceration wounds from IV crack cocaine use. Check this out if you can stomach it:
...It is estimated that 88% of intravenous drug users have signs of vascular damage to their legs and 55% of these have signs of severe venous disease (Pieper and Templin, 2001). Despite this, Department of Health (2007) guidelines on drug misuse and dependence do not mention venous disease or leg ulceration.
...Clients in their early twenties often have signs of hypertrophic skin changes and ankle flare which are common signs of venous disease.
...Using crack cocaine can accelerate the rate at which venous damage occurs because the drug has a short term action, giving a short lived feeling of euphoria and wellbeing. As the effects of the drug wear off, users often become tense and paranoid and this leads to repeated use to try to recapture those initial feelings. Such behaviour can result in a crack binge, where a user may inject into the femoral vein up to 20 times in one day. There is also a trend among new drug users to use the femoral vein rather than superficial veins because the injection sites are not visible and the vein is easy to access.
Source:
http://www.allbusiness.com/crime-law/controlled-substances-heroin/14507783-1.html#ixzz1jGRxqOxW
So, if we can guess that she was a heavy IV drug user and a prostitute, and if I'm correct in that this was a victim of Robert Shulman, then she probably came from Queens: "They identified the victim as Melani, a fellow prostitute who, like them, worked Jamaica Avenue between 198th Street and Francis Lewis Boulevard".
Now, its my belief that we might also surmise that the Asian male came from the same location. As it turns out, "Queens has the largest Asian population in NYC (477,390 or 49.6% of the NYC total Asian population). Among the five boroughs, Queens has the largest population of Chinese, Asian Indians, Koreans, Filipinos, Bangladeshis and Pakistanis."
http://www.queenslibrary.org/pub/QuickFacts.asp
But wait, the police said that the Asian male was killed between 5-10 years ago. Well, as it turns out, there are some things that can be determined with pretty good accuracy, and others that can't when it comes to forensically examining skelatal remains. Guessing the victims gender and height is pretty easy. Age is a bit more difficult, but pretty doable with reasonable accuracy. However, guessing Post Mortem Interval (PMI) is much more of a complicated science, and I believe that police may have got this wrong, and in fact the Asian male is also a victim of Robert Shulman. Here's why:
http://www.policeone.com/csi-forensics/articles/125313-Identifying-skeletal-remains/
"Since the body has gone through the various stages of decomposition and is now at the skeletal stage, the investigation requires scientific knowledge and skills beyond that of the police investigator. In fact, forensics is now so specialized that in a case such as this the average medical examiner may not have the expertise to determine cause and time of death."
So, did police have a forensic enthropologist to study of bugs in soil samples to determine PMI? Maybe, but even so, the suggestion of 10 years leads me to beleive that they were dealing mostly with a skeletal remains. The longer the time, the greater the uncertainty regarding PMI. See:
http://healthdrip.com/estimation-of-post-mortem-interval/
My guess is that a 5-10 year PMI assumption was not that accurate, and it wouldn't surprise anyone if in fact the Asian male had been there since 1995 or 1996.
So, to summarize these findings:
1) "Jane Doe 1996" was potentially injecting crack cocaine intravanuosely via fermoral artery, leading to leg ulcerations and heavy scarring.
2) Shulman was a heavy crack cocaine user, potentially linking him to Jane Doe 1996.
3) Shulman dismembered prostitutes to conceal the identity. Jane Doe 1996 was dismembered.
4) Shulman's brother, who was convicted of helping dispose of bodies, lives in Long Beach, suggesting a link to the area of Ocean Parkway near the Jones Beach circle where the Asian male and Jane Doe 1996 were found.
5) Although Jane Doe 1996 was found in the same month that Shulman was arrested, it is possible that she was murdered in the weeks or months leading up to his arrest and the legs later washed ashore in Davis Park after making their way through the bays behind Jones Beach and ultimately through Jones inlet into the Ocean. This assumes that Barry Shulman (Robert's brother) was responsible for disposing the body parts as he had done previously (
http://articles.nydailynews.com/1996-04-26/local/18007717_1_robert-shulman-body-parts-barry-shulman)
6) Both Jane Doe 1996's head and legs were found wrapped in plastic garbage bags, as were Shulman's victims.
7) Shulman's victims died of blunt force trauma to the head, as did the Asian male.
8) If the Asian male is in fact related to Shulman, the Asian male may have been a prostitute working on Jamaica Ave in Queens.
9) If Jane Doe 1996 is in fact related to Shulman, Jane Doe 1996 may have been a prostitute working on Jamaica Ave in Queens.