Coroner Disputes Claims That Nick Gordon Performed CPR on Whitney Houston

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ET now has some background information on the recent bombshell claim that Nick Gordon administered CPR to the late Whitney Houston when she was found unconscious at the Beverly Hilton Hotel in L.A. on Feb. 11, 2012.

Gordon's mother Michelle made the claim during Dr. Phil's intense sit-down with the 25-year-old Gordon, which airs Wednesday, March 11.

"When Whitney was found, he administered CPR to her and called me as he was standing in front of her saying, 'Mom, why couldn't I do it? I couldn't get air into her lungs,'" she said about her son's traumatic experience.

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However, according to the Coroner Investigator that handled Whitney's case, no such information was relayed to her. Typically the investigating personnel asks questions to find out of how long the person was down and what life saving efforts were attempted.

"As far as I know, the bodyguard and the personal assistant pulled Whitney out of the bathtub, but they did not perform CPR," the Coroner Investigator told ET in a statement when asked if she was aware of any CPR attempt by any person present in the hotel room at the time. "They called downstairs telling them to call 911 and Beverly Hills Police Department was on-scene in less than five minutes."

A source close to Bobby Brown also tells ET that they'd never heard of Gordon performing CPR on Houston, and "do not believe this story at all."

In a new preview of Dr. Phil's sit-down with Gordon, the troubled partner of Bobbi Kristina is clearly distraught as Dr. Phil and his mother stage an intervention. According to the show's press release, he "battles drug and alcohol addiction."

"I hate Bobby Brown," he also says.

Though on Friday, Bobbi Kristina's aunt Leolah Brown took to Facebook to ask Dr. Phil not to give Gordon any air time, while also dropping an explosive claim.

"Dr. Phil, With all due respect, Nick Gordon is under investigation for the attempted murder of my niece Bobby Kristina Brown," the post claimed. "We have strong evidence of foul play. Until this investigation is completed by law enforcement, I would ask that you or anyone else not provide this individual a platform to spin this situation to his benefit."

Despite Leolah Brown's claims, police have not confirmed the nature of their investigation nor whether Gordon is a target of their inquiries.

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Bobbi Kristina remains on life support in an Atlanta hospital. Gordon has yet to see Bobbi Kristina since her hospitalization, as he and her family have not been able to come to an agreement on his visitation terms.

"We continue to request privacy in regards to my daughter's medical condition," Bobby said in a statement. "We thank everyone that supports Bobbi Kristina and God is hearing our prayers."

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