(Courtesy St. Charles Police Department)
St. Charles, MO (KSDK) -- Thursday, May 3, will mark the 20th anniversary of the murder of Nancy Kitzmiller at the Boot Village store in St. Charles, Missouri.
The murder of Kitzmiller was just one in a series of crimes committed by a man who became known as the I-70 killer.
Six crimes, all committed between April and May of 1992, were linked by murder weapon and ammunition.
At that time, the suspect was described as a white male, in his mid 20s to mid 30s, about 5'7" tall, weighing about 140 to 160 pounds, slender to medium build, with light brown to auburn hair, cur short and beard stubble on his face.
Today, he is probably in his mid 50s.
On Tuesday, St. Charles Police released information on the 20-year-old cold case that has never been available to the public, hoping to bring about any new leads.
This new information says that based on ballistic evidence and witness statements, the murder weapon was possibly an Intratec Scorpion or an Erma Werke Model ET 22. Police do say that other makes and models of .22 caliber weapons can't be ruled out just yet and they will examine any .22 auto associated with a suspect.
Along with the weapon, the ammunition used was CCI brand .22 caliber long rifle, copper clad lead bullets. Investigators say that found on the cartridge cases were two substances: corundum and a red material consistent with rouge, which are both believed to come from an environment where grinding, buffing or polishing was performed.
Anyone with additional information on this case is asked to call St. Charles Police Department at 636-949-3300 or 1-800-800-3510. Information can be submitted anonymously at 636-949-3333 or via e-mail at www.stcharlescrimestoppers.org.