He went to school in Bloomington, MN, part of the Twin Cities area. He presently also serves as one of the three moderators on the newsgroup alt.assassination.jfk. He is interested in firearms aspects of the shooting, and was recently part of the Discovery Channel special program that investigated the "magic bullet." In September 2004 he visited the National Archives viewed the original autopsy photos and X-rays along with Larry Sturdivan. He has a Web site, at www.zimmermanjfk.com.