Floyd Thomas, chairman of the board of supervisors for Caroline County, told CNN that if any protocols had been flouted in the burial, "we would look into undoing what happened".

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"It's a trying decision for the municipality, " said Randy Douglas, town supervisor and chairman of the Essex County board of supervisors.

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Among those who attended the funeral were Montgomery County, Maryland, Executive Doug Duncan and Kate Hanley, chairman of the Fairfax County, Virginia, Board of Supervisors.

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The chairman of the Caroline County, Virginia, board of supervisors, Floyd W. Thomas, said Friday afternoon he couldn't then confirm or deny that Tsarnaev is buried in his county and that he hadn't seen the death certificate.

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