A granddaughter of a 92-year-old Queens woman who was raped and murdered last month allegedly by an illegal immigrant spoke at the White House Friday — and slammed New York’s city’s “sanctuary city” policy.

Daria Ortiz, 19, one of victim Maria Fuertes’ grandchildren, spoke at the invitation of President Trump during an event focusing on border security with members the Border Patrol agents union.

“Unfortunately, my grandmother had to be example of why something like this, [these] horrific crimes should never happen,” an emotional Ortiz said in the South Court Auditorium in the Eisenhower Executive Office Building.

“The tragedy is that this could have been avoided had there been no sanctuary law,” she continued, struggling to maintain her composure. “The system not only failed our family, but they failed our city.”

Trump — who mentioned the tragedy in his State of the Union address — also ripped Gotham’s sanctuary city policy. He asserted Fuertes would still be alive if her alleged assailant, Reeaz Khan — a 21-year-old illegal immigrant from Guyana — had been turned over to the feds after earlier busts.

“I asked for the criminal to be taken in, but he was released under New York sanctuary laws,” the president said.

Trump also touted construction of his long-promised border wall, saying it was “virtually impossible to climb over the top” because of its design and the fact that it will be painted black and too hot in the sun to climb.

Meanwhile, the Trump administration is deploying special tactical officers from US Customs and Border Protection to sanctuary cities, including New York, in order to assist Immigration and Customs Enforcement with cracking down on illegal immigrants, officials said Friday.

Acting ICE Director Matthew Albence told The Post in a statement that ICE “is utilizing CBP to supplement enforcement activity in response to the resource challenges stemming from sanctuary city policies.”

“As we have noted for years, in jurisdictions where we are not allowed to assume custody of aliens from jails, our officers are forced to make at-large arrests of criminal aliens who have been released into communities,” said Albence.

“This effort requires a significant amount of additional time and resources,” Albence said in the statement.

Additional reporting by Natalie Musumeci