(A) Elements of the offense. A person commits the offense of attempt when, with intent to commit a specific offense, he or she does any act that constitutes a substantial step toward the commission of that offense.
(B) Impossibility. It is not a defense to a charge of attempt that because of a misapprehension of the circumstances it would have been impossible for the accused to commit the offense attempted.
(ILCS Ch. 720, Act 5, § 8-4) (1999 Code, § 130.06) Penalty, see § 130.99