Blue Mass By Submitted Content - April 15, 2024 Courtesy of the Princeton Police Department Members of the Princeton Police Department attended the 22nd Annual Blue Mass, hosted by the Diocese of Trenton at St. Robert Bellarmine Co-Cathedral in Freehold Township on April 4. FacebookTwitterEmailPrint Courtesy of the Princeton Police Department Members of the Princeton Police Department attended the 22nd Annual Blue Mass, hosted by the Diocese of Trenton at St. Robert Bellarmine Co-Cathedral in Freehold Township on April 4.