A plate of glass was busted out of one of the six glass towers.
The 54-foot tall glass towers are covered in millions of numbers that were tattooed on victim's arms during the Holocaust.
The memorial was initiated by a group of Holocaust survivors in the Boston area.
"The site offers a unique opportunity for reflection on the meaning of oppression and freedom and on the importance of a society's respect for human rights," according to the the New England Holocaust Memorial site.
Police have not said if surveillance video captured the vandals.
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