The police investigation revealed that the group were actually satanists holding rituals in an abandoned church.

satanists 是由 Satan（撒旦）加上后缀 -ist 构成的名词。Satan 是基督教中指代魔鬼的名字，后缀 -ist 表示"信仰某种学说或从事某种活动的人"。satanists 指"撒旦教徒"，即崇拜撒旦或信奉撒旦主义的人。