Environmental Radical Guilty in Calif.

A federal jury found a 29-year-old environmental activist guilty Thursday of conspiring to burn down or blow up a northern California dam, a genetics lab, cell phone towers and other targets. McDavid and two others were arrested in January 2006 after buying bottles of bleach, a car battery, potassium chloride and other items prosecutors said were being used to build plastic explosives. The Nimbus Dam on the American River near Sacramento and the U.S. Forest Service's Institute of Forest Genetics in Placerville, in the foothills east of Sacramento, were among the suspected targets. McDavid's two co-defendants pleaded guilty last year and testified against McDavid. Jurors listened to them and testimony from an FBI informant before deliberating for 11 hours and returning the guilty verdict....