Source:  Adriana Gardella, NEW YORK TIMES, 7/13/11

David Cox was at his desk in September 2009, when his receptionist announced an unexpected visitor, a special agent from Immigration and Customs Enforcement, also known as ICE. Mr. Cox is chief executive of L. E. Cooke Company, a fourth-generation, family-owned nursery in Visalia, Calif., that grows deciduous trees and shrubs. 

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