(a) A prosecution for: (1) first degree murder, attempt to commit first degree murder, second degree murder, involuntary manslaughter, reckless homicide, a violation of subparagraph (F) of paragraph (1) of subsection (d) of § 11-501 of the Illinois Vehicle Code for the offense of aggravated driving under the influence of alcohol, other drug or drugs, or intoxicating compound or compounds, or any combination thereof when the violation was a proximate cause of a death, leaving the scene of a motor vehicle crash involving death or personal injuries under § 11-401 of the Illinois Vehicle Code, failing to give information and render aid under § 11-403 of the Illinois Vehicle Code, concealment of homicidal death, treason, arson, residential arson, aggravated arson, forgery, child pornography under paragraph (1) of subsection (a) of Section 11-20.1, or aggravated child pornography under paragraph (1) of subsection (a) of Section 11-20.1B, or (2) any offense involving sexual conduct or sexual penetration, as defined by Section 11-0.1 of this Code may be commenced at any time.
     (a-5) A prosecution for theft of property exceeding $100,000 in value under Section 16-1, identity theft under subsection (a) of Section 16-30, aggravated identity theft under subsection (b) of Section 16-30, financial exploitation of an elderly person or a person with a disability under Section 17-56; theft by deception of a victim 60 years of age or older or a person with a disability under Section 16-1; or any offense set forth in Article 16H or Section 17-10.6 may be commenced within 7 years of the last act committed in furtherance of the crime.
     (b) Unless the statute describing the offense provides otherwise, or the period of limitation is extended by Section 3-6, a prosecution for any offense not designated in subsection (a) or (a-5) must be commenced within 3 years after the commission of the offense if it is a felony, or within one year and 6 months after its commission if it is a misdemeanor.