Nah. That's some mealy mouth type shit. Her not specifically going after possession cases doesn't mean she was good in that area.
Check out this Vox
article.
They actually try to be fair and give an account of the good and bad she did. Even in that account they have to admit things like this:
There's no way in hell I could vote for a person that made that kind of argument to keep people (mostly black) in jail for minor offenses, and I don't believe she didn't know they were going to make that argument.
Then there's this:
Again, there's no fucking way I could vote for a black woman who fought to keep an innocent black man in jail on the grounds that he filed his petition too late. What? Do you know how far on the wrong side a prosecutor has to be for the court to be like "You buggin'. This nigga ain't supposed to be in jail."