March 30, 2017 17:57 Updated Follow Records have been maintained since the mid-1930's to present. For more information or additional questions contact Indiana State Police (ISP), Central Depository @ 317-233-5424 or email ISP. Related articles How long is a criminal history record kept in the Indiana State Police database? How do I obtain an Indiana Juvenile or Adult Criminal History Record? What is the definition of a "proper person" as it pertains to applying for a handgun license? How do I go about getting my criminal record expunged? As it pertains to the handgun license application, what is the definition of "Have you ever been treated for psychiatric health care or an emotional or mental illness?