SPRINGFIELD – The Illinois State Police (ISP) is celebrating its 40th anniversary of certification by the Commission on Accreditation for Law Enforcement Agencies (CALEA). CALEA is an internationally recognized gold standard in public safety excellence.On June 15, 1986, ISP became the first state police agency in the United States to achieve CALEA accreditation, highlighting ISP’s vision of being one of the nation’s premier policing agencies.“IS…