Several law enforcement websites provide interesting data and statistics on the number of murders that occur Wisconsin each year. The Federal Bureau of Investigation, for example, creates and publishes a comprehensive standard crime report every year that includes detailed information on the various types of crimes, crime rates, and crime locations in most counties and cities from across country. Project: Cold Case is another good example, since it not only preserves a public database of about 25,000 unsolved cases, but also provides statistics and other information on the number of unsolved homicides in each state, including the murder clearance rate in each state. Between 1980 and 2019, there were 8,347 murders in Wisconsin, according to data supplied by The Murder Accountability Project in cooperation with Project: Cold Case, which may be seen on their Cold Case Homicide Statistics webpage. Furthermore, roughly 1,714 of those killings in Wisconsin remain unsolved today, regardless of the fact that around 6,933 of the original total were solved throughout that time frame.
The 1985 murder of Yvonne Menke, the 2000 double-murder of Wanda Evans and Paul Coates, the 2014 murder of Rosemary Ann Krawza Wermter, and the 1990 murder of Susan “Suzy” Poupart are among the numerous unsolved murders in northern Wisconsin. The murder of William Clapp in 1993, the murder of Kenneth Juedes in 2006, the murder of Angelina Wall in 2001, and the 1974 murder of Mary Kathleen Schlais are among the unsolved central Wisconsin murders, as are Laurie Depies’ disappearance in 1992, Amber Wilde’s disappearance in 1998, Kayla Berg’s disappearance in 2009, and Ricky Jean Bryant‘s disappearance in 1949. The 1990 murder of Chad Maurer, the 1968 murder of Christine Rothschild, the 1980 murder of Susan LeMahieu, the 1986 murder of Andrew Nehmer, and the 1973 murder of Mark Justl are among the unsolved murders in Madison, Wisconsin. Furthermore, the 1976 murder of Debra Bennett, the 1978 murder of Julie Ann Hall, the 1971 murder of Dr. Thomas Speer, the 1980 murder of Shirley Steward, and the 1979 murder of Julie Speerschneider, also including the 2004 disappearance of Amos Mortier, are all unsolved murders in Dane County, Wisconsin.