A Michigan teenager has been arrested over an alleged plot to carry out a mass shooting at a synagogue, according to a criminal complaint filed against the teen. The complaint charges 19-year-old Seann Pietila with transmitting in interstate commerce a threat to injure someone. FBI Special Agent Ryan Roskey said in the complaint that Pietila demonstrated through Instagram messages his neo-Nazi ideology, antisemitic beliefs, suicidal ideologies, praise of past mass shooters that have had similar ideologies and intent to copy their actions. The complaint states Pietila specifically mentioned that he admires Brent Tarrant, who carried out mass shootings at mosques...