Book Review: Exile Music, by Jennifer Steil.
Austria's Chancellor Sebastian Kurz was also quick to condemn the attack • "A Europe without Jews is no longer Europe.”
The assault happened after several minutes in which the woman shouted antisemitic slogans at the rabbi as multiple passersby looked away, he said.
Swiss authorities have said the two men were "obviously friends" of the attacker and had met in person, but did not say when.
Austria had already admitted fumbling intelligence from Slovakia that the 20-year-old gunman had attempted to buy ammunition there.
Fifteen arrests have been made since the attack, but Interior Minister Karl Nehammer conceded on Wednesday that "some things went wrong" in processing intelligence from neighboring Slovakia in July.
The Vienna criminal court sentenced Kujtim Fejzulai to 22 months in prison in April 2019 for being a member of a terrorist organization and for spreading propaganda.
"Before the terror attack began, according to the information currently available, some things also went wrong."
Initial reports stated that at least one of the shootings was aimed at a synagogue, though police said there was no clear indication that was the case.
The 18-year-old and 24-year-old men, arrested in the city of Winterthur about 10 kilometers (6 miles) from Zurich.