Mack is facing a 15-year minimum, maximum life sentence on charges of sex trafficking.
Brown is expected to appear before a judge in February 2019.
Young is the eighth person to be arrested in connection to Tekashi 6ix9ine's federal indictment on racketeering charges.
"The president will probably be mad at me for saying this," Scaramucci said.
Mike Sorrentino pleaded guilty to one count of tax evasion and was sentenced to eight months in prison in October.
6ix9ine is currently awaiting trial at a federal prison in Queens
Tekashi 6ix9ine is no longer expected to serve four years on probation while awaiting trial on charges of racketeering conspiracy among others.
"Given the defendant's substantial assistance and other considerations set forth below, a sentence at the low end of the guideline range—including a sentence that does not impose a term of incarceration—is appropriate and warranted," Mueller's team wrote.
This isn't 6ix9ine's first time behind bars.
"Grrrrrrrr!!!! Back to the daily grind."
"Neither their medical license nor their white lab coat will protect them from enormous consequences of illegal drug distribution."
The boy's mother was given a 12-and-a-half year sentence for the abuse.
Tatour was convicted of inciting violence and supporting terrorist groups through poems posted to social media.