Synopsis As Introduced Creates the Homicide Victims' Families' Rights Act. Provides that a law enforcement agency shall review the case file of a cold case first degree or second degree murder committed more than 3 years prior to the date of the application, for which all probative investigative leads have been exhausted, and for which no likely perpetrator has been identified, upon written application by an immediate family member to determine whether a full reinvestigation would result in probative investigative leads. Provides that the person or persons performing the review shall not have previously investigated the murder at issue. Provides that only one case review shall be undertaken at any one time with respect to the same cold case murder victim. Provides that each law enforcement agency shall develop a written application to be used for designated persons to request a case file review. Provides that the applicable agency shall conduct a full reinvestigation of the cold case murder at issue if the review of the case file concludes that a full reinvestigation of the cold case murder would result in probative investigative leads. Provides for the compilation and publication of specified information and statistics regarding cold case murders by the Illinois Criminal Justice Information Authority. Amends the Illinois Criminal Justice Information Act to make conforming changes.