A person claiming to be the sister of slain Sandy Hook shooting victim Rachel D'Avino posted a photo to Reddit this morning of what she said was "[Rachel's] seat at the table for Christmas dinner."

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Redditors initially voted up the post, but quickly grew suspicious of the poster and their intentions, noting that it was unlikely the sister of a Sandy Hook victim would seek to honor her deceased sibling by posting a photo under the username "Pussyrammer."

"ITT: Everybody getting trolled," wrote one Redditor. "Sweet, sweet murder karma," wrote another.

But claims of photoshopping and "karma whoring" didn't unmask a troll — instead, it spurred "pussyrammer" to post photographic proof that she was who she claimed to be.

Among the evidence: A letter of condolence from President Obama to Rachel's mother Mary; a few personal effects; and a self-shot of herself holding a family photo and the word "pussyrammer."

To those Redditors who remained unconvinced, the OP offered this explanation of the spit-taking username:

We shared an account...Then my boyfriend started being an ass on that username so we created pussyrammer together. We shared a computer so it was easier than logging in and out to separate accounts.

When asked why she didn't create a new, less explicit account for the purposes of her tribute, Pussyrammer responded that the account was just as much a part of the tribute as the photo.

"I'm sorry if this offends anyone I'm just trying to share something with a community that both of us were a part of," she wrote. "We had created this account together so I did not want to make a new account."

[photos via Reddit]