The arrest of Jeffrey Epstein has renewed scrutiny of how he was treated by the office of Mr. Vance, the Manhattan district attorney.

As a campaigning Mayor de Blasio divides his time between city and national concerns, here’s a question that spans both.

Was he serious about investigating Donald Trump for rape? And will he ensure equal treatment for all rape complaints?

Not nearly enough has been done to improve New York City’s response to sexual assault in the one year since the New York City Department of Investigation (DOI) issued a blistering report on how the NYPD was failing to make sexual assault response a priority. Mayor Bill de Blasio’s primary response to the report has been to question its accuracy.