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Exclusive DetailsMariah Carey’s Brother Slams Claims He Tried to Institutionalize Her as $10 Million Fight Rages On
Mariah Carey’s brother, Morgan Carey, denied claims he and his mother tried to institutionalize the pop star in order to take over control of her finances, In Touch can exclusively report.
On March 20, Morgan, 60, asked the court for permission to file an amended lawsuit against his pop star sister for intentional infliction of emotional distress.
In the proposed amended lawsuit obtained by In Touch, Morgan included several new allegations against Mariah, 56. He claims to have discovered new “false, disparaging and defamatory” statements Mariah made about him, including some he recently discovered on YouTube.
In the amended suit, Morgan claims Mariah nor anyone from her team reached out to him for comment about her memoir, where she claimed he was violent and a drug dealer when they were kids. Morgan denied the claims.
He said he was never asked to respond to the claims before Mariah’s memoir was released.
As In Touch previously reported, Morgan sued Mariah in 2021 over her memoir, The Meaning of Mariah Carey, which was released the year prior.
In his lawsuit, he claimed the singer falsely portrayed him as a violent drug dealer when Mariah was growing up. He also took issue with Mariah’s claim he got physical with their mother and father in separate incidents during childhood.
Morgan claimed the accusations in the book tarnished his reputation. He denied he was ever a drug dealer or that he had gotten into fights with their parents.
“Suddenly there was a loud, sharp noise, like an actual gunshot. My brother had pushed my mother with such force that her body slammed into the wall, making a loud cracking sound,” Mariah wrote in her memoir.
Another passage read, “It took twelve cops to pull my brother and father apart. The big bodies of men, all entangled like a swirling hurricane, crashed loudly into the living room. I was a little girl with very few memories of a big brother who protected me. More often, I felt I had to protect myself from him, and sometimes I would find myself protecting my mother from him too.”
Morgan demanded unspecified damages.
Mariah scoffed at the allegations and demanded the entire lawsuit be thrown out. She claimed the stuff she said about her brother was “true or substantially true.”
She argued that their mother told her Morgan was dealing drugs, along with multiple other people in the business.
“I would describe it as inner-circle common knowledge at the time that [Morgan] was heavily involved in the Manhattan night life scene and that he often was in possession of cocaine and provided it to members of the night life crowd that he associated with,” Mariah wrote in a declaration.
The court previously dismissed several claims in Morgan’s lawsuit, but he was allowed to pursue his claim of intentional infliction of emotional distress.
In his proposed amended complaint, Morgan added a new passage he took issue with from the memoir. Mariah claimed Morgan accepted money from a wife to kill her husband in 1980 but did not follow through with it.
The wife ended up killing the husband and Morgan testified at the trial, according to the suit.
Mariah’s book read, “According to the court records, her solicitation of Morgan (he was compelled to testify before a grand jury) was key evidence in disproving her claim of self-defense and helped lead to her murder conviction.”
“I was barely in the third grade when Morgan was involved in a place to murder a man for money. I remember him and my mother talking about it, and I have a vague recollection of seeking courtroom sketches in the house. Morgan snitched, so he didn’t get any tine for accepting the payment,” Mariah’s book read.
Morgan said he voluntarily testified and was not compelled at the trial. He said his testimony led to the woman’s conviction.
In addition, Morgan added claims about a YouTube documentary he found about him in 2025. He said the video was watched by 220,000 people. Morgan said in the documentary a clip of Mariah was used.
In the clip, Mariah said, “They had the audacity to throw me into institutions, give me drugs and try to take control of my life. It was no coincidence that my mother and brother were working on the side of the record company instead of protecting me and advocating for my well-being and that they just happened to claim that I was unstable and try to institutionalize me immediately after I had signed the biggest cash record deal for a solo artist in history.”
Morgan said the “they” in the statement was him and their mom, Patricia.
“The statement is false and defamatory, because it alleges that Morgan and his mother were trying to institutionalize Mariah as incompetent, in order to take over control of her financial affairs,” his amended suit alleged.
“Neither Morgan nor his mother ever attempted anything so outrageous and criminal as this. The accusation is a vicious lie.”
Morgan said he believes the YouTube account, where the documentary was released, “is within the employment and control of Mariah.”
As In Touch previously reported, Mariah and Morgan lost their mother and sister Alison on the same day in August 2024. “My heart is broken that I’ve lost my mother this past weekend. Sadly, in a tragic turn of events, my sister lost her life on the same day,” Mariah said at the time.
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