Sec. 2. And be it further enacted, That any agent, appointed as aforesaid, who shall receive the fugitive into his custody, shall be empowered to transport him or her to the state or territory from which he or she shall have fled. And if any person or persons shall by force set at liberty, or rescue the fugitive from such agent while transporting, as aforesaid, the person or persons so offending shall, on conviction, be fined not exceeding five hundred dollars, and be imprisoned not exceeding one year.