Tekashi 6ix9ine's rat turn will be out there for all to see next Tuesday when he takes the stand against Nine Treys Aljermiah "Nuke" Mack and Anthony "Harv" Ellison.

6ix9ine is clearly CW-2 in the paperwork.  Less is known about who CW-1 and beyond are in the Feds sprawling RICO case against the Nine Treys.

Earlier this year, Fuguan ‘Fu Banga’ Lovick -- who is one of the many Nine Treys to take a plea deal -- told the BBNews network that his lawyer uncovered information which led him to believe that Tre3way boss and 6ix9ine's ex-manager Shotti also cut a deal with the Feds to get a reduced sentence. (He ended up getting 15 years.)

Shotti was confronted with that accusation in his own new jailhouse interview with Cigar Talk.

"That's not even in my DNA. I couldn't tell on anybody," Shotti said with a laugh. "I never did, never."

You can hear Lovick say otherwise below: