10-1 (kidnapping),
10-2 (aggravated kidnapping),
10-3 (unlawful restraint),
An attempt to commit any of these offenses.
An offense violating federal law or the law of another state that is substantially equivalent to any offense listed in this subsection (a-5) shall constitute a sex offense for the purpose of this subsection (a-5). A finding or adjudication as a sexually dangerous person under any federal law or law of another state that is substantially equivalent to the Sexually Dangerous Persons Act shall constitute an adjudication for a sex offense for the purposes of this subsection (a-5).
730 ILCS 5/3-1-2