The young widow of slain hero cop Jonathan Diller tore into elected officials for allowing crime in NYC to spiral unchecked, as an estimated 10,000 people gathered in Long Island to salute her husband at his funeral Saturday.

“How many more police officers and how many more families have to make the ultimate sacrifice before we start protecting them?” Stephanie Diller, 29, tearfully demanded during her devastating eulogy inside St. Rose of Lima Catholic Church in Massapequa.