After a fact-finding programme in Israel/Palestine in 2002 (during the Al-Aqsa Intifada, a Palestinian uprising against Israel), in which she witnessed an Israeli attack in the West Bank city of Ramallah, she withdrew from the university course.
However, many of that paper's journalists objected, due to The Canary's role in the detention and deportation of a Guardian freelancer, Carl David Goette-Luciak in Nicaragua, and the event did not go ahead.
[16][17][18][19] Politically, Mendoza was a staunch defender of Jeremy Corbyn's 2015–2019 tenure as Labour Party leader.
[22] Explaining the second tweet, Mendoza told Jewish News (writing that the slogan appeared over the gates of Nazi death camps) that "the historical resonance of the phrase was the entire point", stating that "The replacement of meaningful political debate with propagandist slogans, alongside the demonisation of refugees and people seeking asylum should be a source of national shame for England."
In February 2021 the group initiated an investigation into alleged antisemitism in relation to the tweet which made use of the phrase "Arbeit macht frei" to criticise Brexit.