may have escaped as aforesaid, and that said person escaped, to make out
and deliver to such claimant, his or her agent or attorney, a
certificate setting forth the substantial facts as to the service or
labor due from such fugitive to the claimant, and of his or her escape
from the State or Territory in which such service or labor was due to
the State or Territory in which he or she was arrested, with authority
to such claimant, or his or her agent or attorney, to use such
reasonable force and restraint as may be necessary, under the
circumstances of the case, to take and remove such fugitive person back
to the State or Territory whence he or she may have escaped as
aforesaid. In no trial or hearing under this act shall the testimony of
such alleged fugitive be admitted in evidence; and the certificates in
this and the first (fourth) section mentioned, shall be conclusive of
the right of the person or persons in whose favor granted, to remove
such fugitive to the State or Territory from which he escaped, and shall
prevent all molestation of such person or persons by any process issued
by any court, judge, magistrate, or other person whomsoever.

_And be it further enacted_, That any person who shall knowingly and
willingly obstruct, hinder, or prevent such claimant, his agent or
attorney, or any person or persons lawfully assisting him, her, or them,
from arresting such a fugitive from service or labor, either with or
without process as aforesaid, or shall rescue or attempt to rescue such
fugitive from service or labor from the custody of such claimant, his or
her agent or attorney, or other person or persons lawfully assisting as
aforesaid, when so arrested pursuant to the authority herein given and
declared, or shall aid, abet, or assist such person so owing service or
labor as aforesaid, directly or indirectly, to escape from such
claimant, his agent or attorney, or other person or persons legally
authorized as aforesaid, or shall harbor or conceal such fugitive, so as
to prevent the discovery and arrest of such person, after notice or
knowledge of the fact that such person was a fugitive from service or
labor as aforesaid, shall, for either of said offences, be subject to a
fine not exceeding one thousand dollars, and imprisonment not exceeding
six months, by indictment and conviction before the District Court of
the United States for the district in which such offence may have been
committed, or before the proper