ABC NEWS: Leslie Carter's Death Result of Overdose

February 2, 2012 Updated Feb 2, 2012 at 4:41 PM EDT

By WKBW News

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ABC NEWS: Leslie Carter's Death Result of Overdose

February 2, 2012 Updated Feb 2, 2012 at 4:41 PM EDT

( ABC NEWS.com ) Leslie Carter overdosed and was under the influence of several drugs before her death, according to an incident report obtained by ABCNews.com from officials who responded to her family's 911 call.

The report lists three drugs that were found near Carter: Olanzapine, used to treat the symptoms of schizophrenia and bipolar disorder; Cyclobenzaprine, a muscle relaxant; and Alprazolam, used to treat anxiety or panic disorders, also known as Xanax.

The report reveals that Ginger Carter, Leslie's stepmother, told authorities that Leslie had "a long history of mental illness and was on medication for her depression." Her stepmother said that Leslie seemed depressed the morning of Jan. 30, and that she fell in the shower. Ginger Carter helped Leslie lie down, at first with Leslie's 10-month-old daughter, and periodically checked on her. Late in the afternoon, she found that Leslie was not breathing. Robert Carter, Leslie's father, tried to perform CPR on her, and Leslie's stepmother then called 911.

Ginger Carter also appeared to be under the influence of drugs or alcohol or both, according to the incident report. "Ginger had slurred speech, pinpoint pupils, glassy eyes and kept falling asleep," the report states. Ginger Carter told officials that she had taken "five to six pills for her depression," possibly Xanax, and took more than her usual dose of four "because of Leslie passing away." Authorities told ABCNews.com that they would try to reinterview Ginger when she is "more alert."

Leslie's official cause of death will be determined after New York's Chautauqua County coroner's office receives toxicology reports in about four to six weeks. Her family will decide whether to release the cause of death publicly.

Meanwhile, preparations for her funeral are under way. Leslie Carter will be buried in western New York next week, coroner Richard Mackowiak told ABCNews.com.

Mackowiak said her autopsy took place Wednesday morning, and "as far as I'm aware, there was nothing unusual." Her body was released from the coroner's office Wednesday, and is now at a funeral home in Mayville, N.Y.

Leslie Carter, the sister of Backstreet Boys band member Nick Carter and singer Aaron Carter, died Tuesday in New York. She was 25. She leaves behind her husband of three years, Mike Ashton, and her young daughter, Allysa Jane. "Our family is grieving right now, and it's a private matter," a representative for the Carters said in a statement. "We are deeply saddened for the loss of our beloved sister, daughter and granddaughter, Leslie Carter."

She appeared on the reality-TV show "House of Carters" in 2006 and achieved some success as a singer. Her song "Like Wow" was included on the soundtrack for the movie "Shrek."

Her brother Aaron took over her Facebook page on Wednesday and posted a message saying he'd keep his sister's memory alive: "Hey this is aaron we are going to keep her facebook up..! i will add ppl so we keep leslie alive! we love les."

Representatives for Nick and Aaron Carter did not immediately respond to ABCNews.com's requests for comment.

Hear Nick Carter talk about his sister Friday on "Good Morning America."