Last year was the sixth-worst year for domestic extremist killings since 1970.
The gunman reportedly failed to force the synagogue doors open. He livestreamed his attack, when he said the Holocaust never happened.
Dvir Shnerb’s sister Rina was killed in the explosion at a popular hiking spot in the West Bank.
The police chief condemned the pamphlets but said there would be no investigation, citing First Amendment protection.
“It’s hard and it does take a long time, but I’ve seen it happen,” he said.
The perpetrators of a 1982 kosher eatery bloodbath promised not to strike again in France if they were left alone, the former head of DST said.
The Israeli military is treating the incident as a terrorist attack.
The 23-year-old said he wanted to emulate the Poway synagogue shooter “except with a Nazi uniform on.
Separately, Israeli security services said they had foiled a Hamas plot to carry out a suicide bombing on election day.
The 19-year-old perpetrator stabbed a teenager with a knife covered in blood from the first victim.