Sanders’s vote seems to be an outlier in an otherwise softer-on-crime record. But Hillary Clinton’s support was genuinely about being tough on crime.

Bernie Sanders voted for the 1994 tough-on-crime law. But it’s complicated. – Vox

Revisionary, apologist, nonsense. Either he voted for it or he didn’t.
If she gets a black on her record for supporting it, then he certainly gets one for voting for it. Without the votes in Congress it never would have passed and all of the spin in the world doesn’t change that fact.