She had prescription medication given for a urinary tract infection at the home when she died, according to the report.
If this was mixed with recreational drugs or alcohol, it is believed this to be the cause of her passing,' he said.
The young actress had been tweeting about how she was alone for the holidays and wanted to call a fan to lift her mood.
So far, no reason has been given for her death.
He said it was a 'coincidence' that the two most recent deaths were of women who belonged to L.
It is not known how she got the substances into the facility where she was being treated for addiction.