Investigation Pipe Bomb Darya Trepova Explosives Manchester Arena Attack Conspiracy Homemade Explosives Detention Recruitment Pipe Bombs Cybertruck Incident Motives Roadside Bombing Pune German Bakery Blast Brussels Attacks Car Bomb Satanic Temple Russia Package bomb Bombing Incident Explosion Extremism War Blogger Assassination Russian Bomb Catholic Mass Homemade Bomb Cafe Blast Casualties Rameshwaram Cafe Blast Suspect Boston Marathon Bombing Kerch Bridge Arson Conviction 1994 Buenos Aires Jewish community center attack Investigations Railway Attacks Insurgency Lone Wolf Attacks Failed Attacks