He was wanted as a suspect in at least a half-dozen northern California counties. He was the target of a dragnet that caused schools in San Geronimo Valley to enter a lockdown. A poster displaying his face is posted around West Marin. And when he was finally caught authorities said they did not even know his identity. Dimitri Storm, a 42-year-old transient, was arrested last week in Berkeley on suspicion of burglary, theft, providing a…