A 58-year-old woman was found stabbed to death in the doorway of a New York City apartment, after a horrific Facebook post.

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by Georgette Roberts, Joe Marino And Amanda Woods

A 58-year-old mother was found stabbed to death in the doorway of her Brooklyn apartment, just days after she chillingly told her Facebook followers she thought something would happen to her, authorities and sources said.

LaTanya Parker was discovered lying in a pool of blood with her throat slit outside her Bedford-Stuyvesant apartment on Fulton Street near Marcus Garvey Boulevard about 3:15 p.m. on Tuesday, cops said.

Parker also had one wound to her chest and two other wounds to the left side of her body when her daughter found her, with dried blood also on her mouth, according to police sources.

Police said she was pronounced dead at the scene by emergency medical services workers.

The sources said investigators found bloodstained shoe prints in the hallway in front of Parker’s apartment door.

The New York Police Department said on Wednesday that her death was ruled a homicide.

The sources said that the daughter of the murdered woman told investigators that her mother posted two disturbing videos on Facebook Live days before her death.

She appeared in the first video with a man who appeared to be her ex-boyfriend, according to sources.

The sources said in the second: “If something happens to me… now you know who did it.”

The victim’s daughter said she last heard from her mother at about 1:45 a.m. Sunday, when her mother returned home, according to sources.

Neighbors reported last hearing from her Saturday night, after a birthday party.

“I would never think about anyone attacking her,” neighbor Tawani Smalls told The Post Wednesday.

“They celebrated her birthday on Saturday,” Smalls said of the family. “They thought she might have lost her phone, so the eldest daughter came to check on her, and that’s when she found her.

“It’s just a very sad situation,” she added. “Whoever did this, I hope they will be brought to justice.”