testimony, duly taken and certified by some court, magistrate, justice of the peace, or other legal officer authorized to administer an oath and take depositions under the laws of the State or Territory from which such person owing service or labor may have escaped, with a certificate of such magistrate, or other authority, as aforesaid, with the seal of the proper court or officer thereto attached, which seal shall be sufficient to establish the competency of the proof, and with proof also, by affidavit, of the identity of the person whose service or labor is claimed to be due, as aforesaid, that the person so arrested does in fact owe service or labor to the person or persons claiming him or her, in the State or Territory from which such fugitive 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 from whence he or she may have escaped, as aforesaid.  In no trial or hearing, under this act, shall the testimony of such alleged fugitives be admitted in evidence, and the certificates in this and the first section mentioned, shall be conclusive of the right of the person or persons in whose favor granted to remove such fugitives to the State or Territory from which they escaped, and shall prevent all molestation of said person or persons by any process issued by any court, judge, magistrate, or other person whomsoever.

SEC. 7.  And be it further enacted, That any person who shall knowingly and willfully 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, or 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,