The New Israel Fund, a leading human rights organization, filed a police complaint recently after receiving death threats.

In addition, in wake of the threats security was boosted around NIF offices in Israel. One letter called the NIF an “organization of traitors with not a drop of Jewish blood in it, Nazi dogs.” The writer threatened, “I will organize a small massacre for you.” Another one read, “You should all be murdered.”

One of the letters mentioned a senior NIF official by name as well as her address, adding, “You’ve been warned.”

Rachel Liel, the NIF executive director in Israel, wrote Justice Minister Ayelet Shaked on Sunday: “As justice minister we call on you to act forthwith against Jewish terror. Invoke your authority, and act determinedly and without compromise against this terror that threatens our lives and threatens to harm us.

“We beseech you to act immediately to prevent the next political murder,” wrote Liel, who warned against indifference in the face of Jewish terror threats, which undermine public security as well as the foundations of Israeli democracy.

Liel called on the minister to say how she planned to deal with the threats against the NIF as well as threats against many other human rights organizations.

The NIF is a non-profit organization that promotes civil and human rights, equality, religious tolerance and pluralism in Israel. While its head office is in New York it runs and funds numerous programs out of its Jerusalem office.