Between 1970 and 2017, 150 terrorist attacks in the United States targeted religious figures and institutions. Fifteen of these attacks were lethal. They killed 42 people, including three perpetrators, and injured 38 others.
Miller, Erin. 2018. "Terrorist Attacks against Religious Targets in the United States, 1970 – 2017 ." START: College Park, MD (October). https://www.start.umd.edu/sites/default/files/publications/local_attachments/START_ReligiousTargets_FactSheet_Oct2018.pdf