[citation needed] Miller graduated from Himmelfarb high school with a major in Arabic, and served as a translator and linguist in the Intelligence Corps.

His master’s thesis examined issues of religion and state in Israel in the writings of Israeli philosopher Yeshayahu Leibowitz and Egyptian judge Muhammad Sa'id al-Ashmawi.

He interviewed family members of Marwan Qawasmeh and Amer Abu Aisha, the kidnappers of three Israeli teenagers (Naftali Frankel, Gil-ad Shaar, and Eyal Yafarah), a day after their homes were detonated by the IDF; the parents of Palestinian Abdel Fattah Sharif who was executed by IDF soldier Elor Azaria; the father of Malek Sharif who was shot and killed before he carried out a stabbing attack at the Gush Etzion junction;[2] and the family members of Ezz a-Din al-Masri, the suicide bomber of the Sbarro restaurant suicide attack in 2001.

[citation needed] In September 2018, Miller was dispatched by Tablet magazine to Istanbul, Turkey, to interview Husam Badran, a senior Hamas official and member of the organization's Political Bureau.

As part of the initiative, Miller interviewed dozens of Arabic-speaking Jews and held a series of in-depth conversations with a Muslim colleague, Celia Jawabreh.