ST. CHARLES, Mo. (WTWO/WAWV) — Police department officials from across the Midwest held meetings this week in St. Charles, Mo. to collectively review case files from crimes committed by the I-70 serial killer.

Officers from departments in Indianapolis, Wichita, Terre Haute, St. Charles and Raytown, ​along with agents from the ATF and FBI, presented findings from their homicide investigations in each city the I-70 killer committed a crime in between April and May of 1992. Investigators discussed each investigation, reviewing evidence and how advances in forensic technology can help solve these cases.​

​At the time of these six homicides, the white male individual was believed to have been 22 to ​40 years of age, 5 feet 5 inches to 5 feet 7 inches, 140-160 pounds with sandy blond hair with a red tint. He​ was believed to be in possession of unique firearms, shown below, at the time of these homicides.

“These investigators are aware individuals in these communities possess ​information which has yet to be shared,” a Facebook post from the Terre Haute Police Department said.

The department also emphasized that it is never too late to share information on the killings, and that anyone with information should call 1-800-800-3510 or go to ​www.stcharlescitymo.gov and click on “Crime Maps” where there is a link​ to the I-70 killer.