"Failure to report a kidnapping" is not specifically a federal crime. It falls under the umbrella of Title 18 Section 4 of the United States Code (USC) , Misprision of a Felony. "Whoever, having knowledge of the actual commission of a felony cognizable by a court of the United States, conceals and does not as soon as possible make known the same to some judge or other person in civil or military authority under the United States, shall be fined under this title or imprisoned not more than three years, or both."
RICO is short for Racketeers in Corrupt Organizations act, it is a Federal Law used to prosecute all members of a criminal enterprise, who act in a conspiracy to cause harm to the general public.
Zapatista refers to a member or supporter of a Mexican revolutionary force working for social and agrarian reforms, which launched a popular uprising in the state of Chiapas in 1994 (This event occurred around the time of the North American Free Trade Agreement, NAFTA, which reduced the tariff and trade regulations between the United States, Canada and Mexico). Neo-Zapatistism is a resurgence of essentially the same concept.