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Case Description
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On December 26, 2020, 73-year-old Dennis D. "Denny" Steinhoff, a white male from Rockford, Illinois, was tragically killed in a mass shooting at Don Carter Lanes, a local bowling alley. Born on July 26, 1947, in Cuba City, Wisconsin, Dennis was the son of Clifford and Dorothy Johns Steinhoff. He graduated from Cuba City High School in 1966 and married Laura Lesperance on June 19, 1971. A U.S. Army veteran who served in Vietnam, Dennis worked for Daimler Chrysler for 35 years before retiring in 2 ...Read More
Victim Details

Dennis D. Denny Steinhoff

Male

White / Caucasian

Rockford

IL

2020-12-26

73

Dennis

Denny Steinhoff

11/11/2025