NEW YORK (CBSNewYork) – Authorities think they’ve figured out the circumstances that led to the death of a 22-year-old woman at a Manhattan hotel last summer.

Prosecutors believe Tamara Blaine was the victim of a botched cosmetic procedure to enlarge her buttocks, CBS 2’s Emily Smith reported.

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Tamira Mobley, 28, of Wood-Ridge, N.J., was arraigned Tuesday on assault and manslaughter charges, 1010 WINS’ Al Jones reported.

According to prosecutors, Blaine met Mobley at the Liberty Inn Hotel on Tenth Avenue in July to have her buttocks injected with silicone.

Emergency responders were called a short time after she arrived, and Mobley told them Blaine was having a seizure, prosecutors said. Mobley then vanished, Smith reported.

Doctors said Blaine died because the silicone went into her veins, asphyxiating her, prosecutors said.

Prosecutors said in the court complaint that Mobley has no license to practice medicine. They said the room was paid for by Mobley, which is how police tracked her down for questioning and ultimately her arrest.

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An attorney for the Blaines told Jones the family had no idea.

“And you can only surmise  maybe it was an inexpensive way to get this done. Certainly the family wouldn’t approve of injections,” he said.

Blaine’s mother said she didn’t even know of her daughter’s death until she received a bill from the hospital.

“And there is some hurt on the family for a lot of delays. There’s a delay of the hospital notifying the family,” the attorney told Jones.

Prosecutors also claim there are text and phone records that link Mobley to appointments with other women.

Mobley was being held on $100,000 cash bond.

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