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A federal jury convicted Ryan Routh, an itinerant building contractor, of attempting to assassinate a major presidential candidate last September.

By David C. Adams and Patricia Mazzei

David C. Adams reported from Fort Pierce, Fla. Patricia Mazzei reported from Fort Pierce and Miami.

A man who plotted to kill President Trump last year and staked him out at one of his Florida golf courses with a semiautomatic rifle was found guilty on Tuesday of attempting to assassinate a major presidential candidate, a charge that carries a maximum penalty of life in prison.