Court documents that were briefly unsealed show that authorities believe Brown is using his rap label BMB Records to launder his drug proceeds.
Prosecutors and Brown’s defense lawyer squared off during a 2 p.m. hearing, where prosecutors claimed Brown was a danger to the community.
Judge Edmunds she would revisit the matter on June 29.
Brown is the owner of BMB Records which has signed artists such as Ray J, Bre-Z, and Charli Baltimore.
The feds claim the label is really a front for a heroin operation, which imports the drugs into Michigan from groups connected to Mexican cartels in California.