LOS ANGELES — The Egyptian-American man reportedly behind the anti-Islamic video that sparked weeks of Muslim protests worldwide was arrested and detained in Los Angeles on Sept. 27 over a federal probation violation. Nakoula Basseley Nakoula, a 55-year-old Coptic Christian, was placed in federal custody by U.S. Central District Chief Magistrate Judge Suzanne Segal over eight alleged probation violations stemming…