英语高级视听说下册-unit-10(6)

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What's next, he says, is the emergence of a "lone wolf" like Eric Rudolph or Ted Kaczynski, something that has already happened.

A mysterious bomber was caught on surveillance camera in 2003 planting two sophisticated explosive devices late at night outside a company that makes vaccines in northern California, a company targeted by animal rights activists. One bomb was set to go off an hour after the first - after firemen and police arrived –but it was spotted by a night watchman. A few weeks later a third bomb went off outside another company, this one strapped with nails.

"Anyone from 50 feet of that particular bomb probably would have been killed or seriously injured," says the FBI's David Strange, who is in charge of the investigation.

Strange thinks the second explosive was designed to hurt or kill the first responders that show up to the scene. He says it was the first time he heard of eco-terrorists using bombs.

Strange says the FBI has identified the suspected bomber as Daniel Andreas San Diego, a 27-year-old animal rights activist from San Rafael, California, who is now a fugitive after he slipped an FBI surveillance team.

But he left behind a message, posted on a Web site sympathetic to the Animal

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