(a) Whoever holds or returns any person to a condition of
peonage, or arrests any person with the intent of placing him in or
returning him to a condition of peonage, shall be fined under this
title or imprisoned not more than 20 years, or both. If death
results from the violation of this section, or if the violation
includes kidnapping or an attempt to kidnap, aggravated sexual
abuse or the attempt to commit aggravated sexual abuse, or an
attempt to kill, the defendant shall be fined under this title or
imprisoned for any term of years or life, or both.
(b) Whoever obstructs, or attempts to obstruct, or in any way
interferes with or prevents the enforcement of this section, shall
be liable to the penalties prescribed in subsection (a).