(a)
Whoever, if one of the circumstances described in subsection (c) of this section occurs—
(1)
without lawful authority, intentionally receives, possesses, uses, transfers, alters, disposes of, or disperses any nuclear material or nuclear byproduct material and—
(A)
thereby knowingly causes the death of or serious bodily injury to any person or substantial damage to property or to the environment; or
(B)
circumstances exist, or have been represented to the defendant to exist, that are likely to cause the death or serious bodily injury to any person, or substantial damage to property or to the environment;
(2)
with intent to deprive another of nuclear material or nuclear byproduct material, knowingly—
(A)
takes and carries away nuclear material or nuclear byproduct material of another without authority;
(B)
makes an unauthorized use, disposition, or transfer, of nuclear material or nuclear byproduct material belonging to another; or
(C)
uses fraud and thereby obtains nuclear material or nuclear byproduct material belonging to another;
(3)
knowingly—
(B)
threatens or places another in fear that any person other than the actor will imminently be subject to bodily injury;
and thereby takes nuclear material or nuclear byproduct material belonging to another from the person or presence of any other;
(4)
intentionally intimidates any person and thereby obtains nuclear material or nuclear byproduct material belonging to another;
(5)
with intent to compel any person, international organization, or governmental entity to do or refrain from doing any act, knowingly threatens to engage in conduct described in paragraph (2)(A) or (3) of this subsection;
(6)
knowingly threatens to use nuclear material or nuclear byproduct material to cause death or serious bodily injury to any person or substantial damage to property or to the environment under circumstances in which the threat may reasonably be understood as an expression of serious purposes;
(7)
attempts to commit an offense under paragraph (1), (2), (3), or (4) of this subsection; or
(8)
is a party to a conspiracy of two or more persons to commit an offense under paragraph (1), (2), (3), or (4) of this subsection, if any of the parties intentionally engages in any conduct in furtherance of such offense;
shall be punished as provided in subsection (b) of this section.