Hillary Clinton, who had previously represented New York in the United States Senate from 2001 to 2009, won a comfortable majority in both the popular vote and delegate count over Bernie Sanders, who was born in Brooklyn.

[2] In early April, ahead of the primary, former President Bill Clinton visited western New York twice for campaign events, speaking at an event in Depew (attended by almost a thousand people) and addressing a room of activists and volunteers at Clinton's Buffalo campaign office.

[7] The New York Times reported the day after the primary: The Democratic vote was marred by major irregularities at polling places across Brooklyn.

The city comptroller's office announced that the Board of Elections had confirmed that more than 200,000 Democratic voters in Brooklyn were dropped between November and this month, while about 63,000 were added – a net loss that was not explained.

Mayor Bill de Blasio described 'the purging of entire buildings and blocks of voters,' while the comptroller, Scott Stringer, said his office would audit the Board of Elections.

Initial parties to the lawsuit included "Lawyers Committee for Civil Rights Under the Law, Latino Justice/PRLDEF and Dechert LLP on behalf of Common Cause New York and several individual plaintiffs.

In early 2017, both the Justice Department and New York State Attorney General's office made motions to join the lawsuit.

As a part of the settlement, the Board agreed to a series of remedial measures that will be in place at least through the next presidential election, November 2020 – pending court approval.

[4] Clinton ran up big margins in New York City neighborhoods like Harlem, where the percentage of African American voters was highest.