Police seen swarming basement at architect's ramshackle home in Gilgo Beach serial killer probe
Drone video gives a glimpse at what New York police took from suspected Long Island serial killer Rex Heuermann's home
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Police officers were seen swarming the basement of a 59-year-old architect who prosecutors alleged is responsible for the murders of at least three women whose remains were discovered hidden in the marsh near New York's Gilgo Beach more than a decade ago.
Rex Heuermann, known by neighbors as a quiet man with a family that kept to themselves, had a dark secret, according to police.
He is accused of killing three young women and dumping their remains in a remote waterfront area about 45 miles east of Manhattan. Officers spent the weekend searching through his unkempt home – which stands out in a neighborhood of finely maintained suburban homes, around the corner from an elementary school and the former police academy.
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GILGO BEACH SERIAL KILLER SUSPECT HAD ARSENAL OF WEAPONS, TOP COP SAYS
WATCH: Police in New York search suspected Gilgo Beach killer Rex Heuermann's home in Massapequa Park
Photos and videos taken at his home in Massapequa Park show police carried numerous boxes of evidence out, including cabinets and at least one toolbox they dragged up his basement stairs.
"He had an arsenal in a vault that he had downstairs," Suffolk County Police Commissioner Rodney Harrison told Fox News Monday. Investigators had not yet determined whether all the weapons were obtained legally, he added.
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The architect, who in a creepy interview long before his arrest once said his favorite tool was a hammer because it was good for "persuasion," also had numerous tool boxes that the police serving a search warrant took interest in.
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Harrison said police seized more than 200 firearms from his home as part of the investigation. Heuermann is said to have been an avid duck hunter – and District Attorney Ray Tierney revealed Friday that the burlap material the victims were dumped in was the kind used in duck blinds.
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Fox News drone video shows investigators carrying evidence out both the front door and the back basement stairway.
They were also spotted searching a storage unit nearby in Amityville, New York, on Monday.
A man who answered a call to the phone number for the storage unit repeatedly answered questions with, "We have no statement" regarding the search Monday.
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More than a dozen neighbors told Fox News Digital over the weekend that they had seen Heuermann on a near daily basis as he commuted to and from Manhattan on the Long Island Rail Road – which has a station just blocks from his deteriorating home.
READ: CASE AGAINST REX HEUERMANN
Heuermann grew up in the house and bought it from his mother in the 1990s.
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He faces six murder charges in the deaths of Melissa Barthelemy, Megan Waterman and Amber Costello – a first- and second-degree charge for each victim.
The hulking hunter remains the top suspect in at least one other Gilgo Beach homicide, the slaying of Maureen Brainard-Barnes, according to prosecutors.
The murders remained unsolved more than a decade after the search for missing escort Shannan Gilbert, 24, first led police to the bodies of sex workers and other victims east of New York City.
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Following a series of harrowing 911 calls from Gilbert, search teams found the first four victims, dubbed the "Gilgo Four." They were Costello, 27, Brainard-Barnes, 25, Waterman, 22 and Barthelemy, 24.
In March 2011, the partial remains of 20-year-old Jessica Taylor were found near Gilgo Beach. Authorities said part of Taylor’s body was discovered eight years earlier and 40 miles away in Manorville, New York.
Days later, three more sets of human remains were discovered alongside Ocean Parkway, which runs along Long Island's south shore beaches.
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The first was 24-year-old Valerie Mack, whose partial remains had also been found in Manorville years earlier. An unidentified toddler was found near Mack, according to the official website dedicated to the case.
Two miles west, police discovered the skeletal remains of an unidentified Asian man — or transgender woman — believed to be 17 to 23 years old.
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A week later, in April 2011, two more sets of partial remains were found along Ocean Parkway. The first were those of the woman known as "Peaches," believed to be the mother of the toddler found the week before. Part of her body had been previously discovered in Hempstead Lake State Park in 1997. The second was the skull of a woman who was linked to remains found on Fire Island in 1996.