None, as she has been in office for less than six months. This is the first major case she's been associated with, and does *NOT* augur well for the law-abiding citizens of Baltimore (if there are actually any left in town)...
the infowarrior
Well, that depends on what your definition of "none" is.
I'm pretty sure she fired a prosecutor or two that had been working hard on convictions of murderers, and the accused went free because of the inexperienced newbies sent in at the last minute to take over.
One of the prosecutors was fired because Mosby saw him chatting with a person on Mosby's political grievance list at some event, according to reports.