. >> reporter: investigators say he fled monta montana officials and lunched four pipe bombs at authorities. >> reporter: we heard the trooper and deputy announce that he was throwing pipe bombs at them and they were exploding as he was pursuing them. >> reporter: he was stropped and arrested. he was in the car from new jersey but he had stolen montana tags. >> it was a a relief. >> reporter: stewart is being blamed for bombing the home of a stafford county detective, a deputy, and his ex-girlfriend. he had an ax to grind stemming from two different arrests. he wrote the police and dea are working in order to make me seem like a dangerous criminal. he posted pictures of what he claims are wounds from his ex- girlfriend. >> we can all sleep safely tonight knowing he is off the street. >> reporter: this guy is facing federal charges in virginia and now in montana. among them several counts of attempting to kill law enforcement officers and acts of terror. >> reporter: a local police officer charged with trying to murder a machine that -- man that he was arrested. prosecutors allege that in se