What happened to Bobbi Kristina? The clues may be in one police dispatch tape, made moments after Whitney Houston's only child was found face down in a bathtub.
911 dispatcher: "She has been drinking. Possible cardiac arrest. Twenty-one-year-old female in the bathtub, face down. She is gurgling at this time. There is CPR in progress."
Her husband Nick Gordon made a desperate attempt to save her.
Could an argument have led to the tragedy?
911 dispatcher continued: "It's possible it was domestic related earlier. She has been drinking."
Bobbi Kristina remains in intensive care today at one Atlanta hospital, attached to a ventilator. Her brain function is reportedly "significantly diminished."
Family members have been asked to gather and to "expect the worst."
Jeannie Rubenstein, a reporter for People magazine told INSIDE EDITION, "Doctors have said that Bobbi Kristina pulling through this would be nothing short of a miracle."
Sources close to the family say Bobbi Kristina never recovered from her mother's death. Whitney Houston is buried at a cemetery in Fairview, NJ, and now many are looking for clues that may have led to this tragedy.
Just one day after her mother was found drowned in a bathtub at the Beverly Hilton Hotel in 2012, Bobbi Kristina was rushed to the hospital after suffering an anxiety attack.
She spoke to Oprah just one month later. Oprah asked, "How are you doing?" Bobbi Kristina replied, "I'm getting through it, I'm doing as good as I possibly can."
In May 2012 she was filmed visiting her mom's grave for the Lifetime reality show The Houstons - On Our Own. Just 19 and she was already turning to alcohol to drown her sorrows.
In January of 2014, concerns grew when she married her unofficial stepbrother, Nick Gordon. They grew up together in the same home raised by Whitney Houston. The marriage has been rocky to say the least.
Jennifer Brett is a columnist for the Atlanta Journal Constitution, she told INSIDE EDITION, "Just as recently as a few days ago police responded to some sort of disturbance call at the address. They responded and didn't find anything going on, but obviously somebody called the police for something."
In March of 2014, Bobbi Kristina looked emaciated, reminiscent of her mother's appearance in her troubled years. But, she insisted all is good when she tweeted: "Have you ever heard of a #fastmetabolism?"
In July of 2014 a shocking video surfaced appeared to show her smoking from a bong. She denied it was her.
Gospel singer Kim Burrell is a family friend.
On January 11, the TV movie Whitney aired on Lifetime. The Houston family denounced the portrayal.
The last known video of Bobbi Kristina was taken the day after the movie premiered.
On January 26, three weeks before the third anniversary of Whitney's death, Bobbi Kristina sent out a mournful message to her followers on social media, "Miss you mommy so much...loving you more every sec #Anniversary!"
On Friday January 30, she posted images on Instagram, with one final haunting tweet: "On my own."