The brother of a prominent CAIR executive wrote about killing Jews on Facebook while waiting for a plane at Israel's David Ben Gurion Airport after a trip to Jerusalem's Al-Aqsa Mosque, the Middle East Forum's Sam Westrop found.

Ahmed Billoo, known on Facebook as "Ahmed Ibn Aslam," is Zahra Billoo's brother. She is executive director for the Council on American-Islamic Relations' (CAIR) San Francisco-Bay Area office and also is known for her frequent anti-Semitic outbursts. Ahmed Billoo is the religious director of the Islamic Center of Cypress and a professor at California Islamic University. He also teaches at the Institute of Knowledge, which Westrop identifies as a seminary that has other faculty from a hardline Salafist/Deoban ideology.

"Oh God, reduce their numbers, exterminate them, and don't leave a single one alive," Billoo wrote in an Arabic post featuring the hashtag "#Zionists."

Once Billoo reached Istanbul he posted, "So good to be in a Muslim country," with the hashtag "#TiredofSeeingZionists."

This is nothing new for Billoo. Westrop notes that The Jewish Journal describes an Ahmed Billoo from Alhambra, Calif., Billoo's home, who said that suicide bombers should be looked at on a case-by-case basis. He was president of the California State University Long Beach Muslim Student Association at the time.

Imam Faisal Ahmed, who heads the New York-based Fiqh Institute, replied to Billoo saying, "Ameen!!! Wow you were at the place where Eesa [Jesus] will slay the Dajjal [Anti-Christ]! Oh Allah make it happen soon make it happen soon. Destroy the forces of kufr [non-Muslims] and cause Emaan [faith] in you to spread throughout the earth Ameen!"

Several individuals belonging to leading U.S. Islamist groups showed their approval by liking Billoo's post. These included American Muslims for Palestine (AMP) Associate Director of Outreach & Grassroots Organizing Taher Herzallah, who affirmed his belief in Israel's destruction last November.

"Now, Zionists claim that voicing this statement erases them and threatens their project. They interpret it as meaning the destruction of Israel. If giving Palestinians their right to live freely means the destruction of Israel, then so be it," Herzallah wrote on Facebook.

CAIR California board member Abdelhamead Ibrahim, who also is an activist in Zahra Billoo's CAIR SFBA subchapter, also liked the post, so did Dalen Carter, an events and outreach assistant with CAIR Los Angeles.

CAIR and its allies like saying they oppose Israel's policies, but their embrace of posts like this serve as a reminder that Jew hatred lurks beneath the propagandistic façade.