Mariah Carey's estranged brother Morgan claims she orchestrated a YouTube video with a 'Lamb' fan to destroy his reputation.
Morgan Carey filed an amended lawsuit, alleging Mariah employed a fan to create a defamatory video about him.
Morgan claims the fan who made the video was under Mariah's 'control'.
Mariah Carey's brother continues to wage a legal war against the pop superstar.
Author's summary: Mariah Carey's family war escalates with lawsuit.