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Frank Earl Dannenberg
Incident
Deputy Frank Dannenberg succumbed to injuries suffered three days earlier when he was attacked and beaten after serving an eviction notice.
Deputy Dannenberg was preparing to leave Cabrini-Green, a public housing project of the Chicago Housing Authority at 1160 North Sedgwick Street, when the attack occurred. He was found with severe head injuries and taken to Henrotin Hospital where he remained until he died from those injuries three days later.
The suspect stole his service weapon and wallet and then fled.
Deputy Dannenberg had served with the Cook County Sheriff's Office for only nine months.
Survivors
He was survived by his wife, daughter and three grandchildren.
In Our Keeping
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- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Deputy Sheriff Dannenberg served with the Cook County Sheriff's Office.
Thank you for your service to the Chicago community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Dannenberg.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Felonious
Cook County Sheriff's Office - Department of Court Services has lost 8 officers; 5 of them killed feloniously.
Frank is one of 842 officers killed feloniously in IL, 63.9% of the 1,318 remembered there.
Frank is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,551 remembered there.
Frank is one of 17,631 officers killed feloniously worldwide, 52% of the 33,917 remembered here.
33,917 officers are remembered on this memorial. Each number below is one of them.
Time
In 1967, 1 officer at Cook County Sheriff's Office - Department of Court Services was killed feloniously, more than in any other year.
In 1967, 11 officers in IL were killed feloniously, the 20th heaviest of 154 years on record. The heaviest was 1924, with 22.
In 1967, 105 officers in the United States were killed feloniously, the 48th heaviest of 213 years on record. The heaviest was 1921, with 248.
In 1967, 107 officers worldwide were killed feloniously, the 56th heaviest of 265 years on record. The heaviest was 1921, with 516.
Who
Frank was 67. Of the 5 killed feloniously at Cook County Sheriff's Office - Department of Court Services whose age is recorded, half were between 45 and 58; the middle age was 50. Frank had served 0.7 years; the middle length of service was 17 years.
Frank was 67. Of the 762 killed feloniously in IL whose age is recorded, half were between 31 and 45; the middle age was 38. Frank had served 0.7 years; the middle length of service was 6 years.
Frank was 67. Of the 14,220 killed feloniously in the United States whose age is recorded, half were between 31 and 47; the middle age was 38. Frank had served 0.7 years; the middle length of service was 6 years.
Frank was 67. Of the 15,854 killed feloniously worldwide whose age is recorded, half were between 30 and 46; the middle age was 38. Frank had served 0.7 years; the middle length of service was 6 years.
When
December holds 60% of these deaths at Cook County Sheriff's Office - Department of Court Services, more than any other month. Mondays: 20%.
December holds 8.9% of these deaths in IL; July holds the most, 10.3%. Mondays: 14.4%.
December holds 9.4% of these deaths in the United States, more than any other month. Mondays: 13.8%.
December holds 9.2% of these deaths worldwide, more than any other month. Mondays: 13.8%.
How
Felonious deaths account for 62.5% of all 8 deaths at Cook County Sheriff's Office - Department of Court Services, the most common cause. The weapon recorded was person, in 40% of these deaths.
Felonious deaths account for 63.9% of all 1,318 deaths in IL, the most common cause. The weapon recorded was person, in 2.9% of these deaths.
Felonious deaths account for 57.1% of all 27,551 deaths in the United States, the most common cause. The weapon recorded was person, in 2% of these deaths.
Felonious deaths account for 52% of all 33,917 deaths worldwide, the most common cause. The weapon recorded was person, in 1.8% of these deaths.
His people
Cook County Sheriff's Office - Department of Court Services has 8 officers remembered here, Frank among them.
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 31-W
Others Who Wore This Badge
7 officers from Cook County Sheriff's Office - Department of Court Services are honored on badge.nw.
