So it was with Maria Sagot and Richard Stevens, of Louisiana State University in Baton Rouge.

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Hatfill said that he lost his security clearance and his federal research job because of the investigation, and has been placed on administrative leave from his new position with Louisiana State University in Baton Rouge.

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According to his spokesman, Pat Clawson, Hatfill has not lived in the apartment for about a month, after moving to Baton Rouge, Louisiana, to take a job with Louisiana State University.

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"We would really encourage people not to come back for at least a week, " said Ivor van Heerden, deputy director of the Louisiana State University Hurricane Center and director of the Center for the Study of Public Health Impacts of Hurricanes in Baton Rouge.

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