Federal agents with U.S. Immigration and Customs Enforcement raided a house on Lincoln Street in Melrose, Massachusetts October 25, and carried out boxes of files and records from the home. The homeowner is a former employee of Raytheon. He is listed as having taken out three patents on missile warhead concepts. He has also written books on warhead technology. According to a federal law enforcement official, the man had been stopped at John F. Kennedy International Airport in New York City while trying to board a flight with a Raytheon laptop computer that had information that he was not authorized to have.