Part of Thursday's hearing will discuss whether one of the cops charged should testify against his colleagues.
The hung jury in December of William Porter's trial raises critical issues for the prosecution in trying the van driver, Caesar Goodson, for the death of Freddie Gray.
Caesar Goodson is the second of six officers scheduled for trial.
"You would not necessarily expect that the next jury will look at the evidence the same way that this jury has looked at it."