As Rizzoli prepares to arrest Mifflin Kroll orders Marshak and the rest of his security guards to kill Nova, Skinner, and Rizzoli. However, Marshak alerts Rizzoli to their presence in time.
Before Rizzoli can make an arrest, Kroll instructs Marshak and his security team to eliminate Nova, Skinner, and Rizzoli.  However, Marshak warns Rizzoli of the impending danger.