Incident
Investigator Hillock was killed in a motorcycle accident when he collided with a bicyclist on South Presa Street. He was thrown to the ground and sustained fatal head injuries. Investigator Hillock had been with the agency for 19 years.
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.
Police Investigator Hillock gave the San Antonio Police Department 19 years.
Thank you for your service to the San Antonio community. Gone but never to be forgotten.
Rest easy, Police Investigator Hillock.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Accident
San Antonio Police Department has lost 64 officers; 22 of them lost to accidents.
Otto is one of 657 officers lost to accidents in TX, 27.1% of the 2,422 remembered there.
Otto is one of 8,275 officers lost to accidents in the United States, 30% of the 27,551 remembered there.
Otto is one of 10,100 officers lost to accidents worldwide, 29.8% of the 33,917 remembered here.
33,917 officers are remembered on this memorial. Each number below is one of them.
Time
In 1945, 1 officer at San Antonio Police Department was lost to accidents, the 5th heaviest of 18 years on record. The heaviest was 1930, with 2.
In 1945, 3 officers in TX were lost to accidents, the 86th heaviest of 136 years on record. The heaviest was 1994, with 14.
In 1945, 62 officers in the United States were lost to accidents, the 70th heaviest of 174 years on record. The heaviest was 1929, with 118.
In 1945, 68 officers worldwide were lost to accidents, the 77th heaviest of 200 years on record. The heaviest was 1930, with 131.
Who
Otto was 42. Of the 22 lost to accidents at San Antonio Police Department whose age is recorded, half were between 26 and 31.8; the middle age was 28. Otto had served 19 years; the middle length of service was 2 years.
Otto was 42. Of the 626 lost to accidents in TX whose age is recorded, half were between 28 and 46; the middle age was 36. Otto had served 19 years; the middle length of service was 5 years.
Otto was 42. Of the 7,718 lost to accidents in the United States whose age is recorded, half were between 29 and 46; the middle age was 36. Otto had served 19 years; the middle length of service was 6 years.
Otto was 42. Of the 9,451 lost to accidents worldwide whose age is recorded, half were between 29 and 45; the middle age was 36. Otto had served 19 years; the middle length of service was 6 years.
When
October holds 9.1% of these deaths at San Antonio Police Department; December holds the most, 27.3%. Thursdays: 13.6%.
October holds 9.7% of these deaths in TX; December holds the most, 11.7%. Thursdays: 11.3%.
October holds 9.1% of these deaths in the United States; August holds the most, 9.5%. Thursdays: 14%.
October holds 9.2% of these deaths worldwide; August holds the most, 9.3%. Thursdays: 14.2%.
How
Accident deaths account for 34.4% of all 64 deaths at San Antonio Police Department, the 2nd most common cause.
Accident deaths account for 27.1% of all 2,422 deaths in TX, the 2nd most common cause.
Accident deaths account for 30% of all 27,551 deaths in the United States, the 2nd most common cause.
Accident deaths account for 29.8% of all 33,917 deaths worldwide, the 2nd most common cause.
His people
San Antonio Police Department has 64 officers remembered here, Otto among them.
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Frederick W. Fieldstrup May 29, 1857
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Van Ness Wells Sep 26, 1867
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Solomon White Sep 24, 1873
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William M. Lacey
Nov 29, 1900
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Miguel Cantu Nov 30, 1907
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Alfred Victor Bonnet Feb 26, 1913
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Charles D. Artzt Mar 30, 1913
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Robert Lee Harris Aug 13, 1916
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Frank East Jun 10, 1917
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Joseph J. Pedraza
Oct 7, 1924
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Sam A. Street
Sep 11, 1927
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Robert White Nov 10, 1927
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Louis C. Grobe
Mar 22, 1930
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Theodore T. Boynton
Jul 29, 1930
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Raleigh W. Taylor
Dec 25, 1930
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Peter J. Scrivano
May 28, 1931
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Alexander Goodman, Jr. Sep 1, 1931
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Aubrey Swepson Milstead Sep 1, 1931
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Henry C. Perrow
Dec 13, 1933
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John Stowe
Dec 2, 1936
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Agnal A. Edwards
Jan 16, 1937
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Earl W. Kanning
Dec 24, 1938
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Julius N. Alberson
Dec 4, 1941
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Frederick W. Coblentz
Nov 8, 1942
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Michael J. Ellis, Jr.
May 11, 1944
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Otto S. Hillock
Oct 18, 1945
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Winston A. Culpepper
Sep 11, 1954
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Richard M. Cuellar
Aug 2, 1968
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Guadalupe J. Martinez
Sep 4, 1970
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Antonio T. Canales
May 18, 1972
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George Ellis Jacobs
Jan 14, 1973
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Russell D. Spannagel
Jun 30, 1973
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Harry James Brackman
Jun 27, 1974
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James E. Anderson
Jul 1, 1975
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James W. Bennett, Jr.
Sep 13, 1975
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George E. Copeland, III
Sep 13, 1975
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Eloy Flores Gonzales
Aug 15, 1977
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Bernabe Salazar, Jr.
Nov 16, 1978
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Gilbert Esquivel Ramirez
Dec 24, 1983
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Edwyn Joseph Gorrell
Jul 5, 1988
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Antonio Portillo Garcia
Dec 4, 1988
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Patricia R. Calderon
Dec 27, 1988
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Gary Lee Williams
Mar 27, 1989
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Roger Carl Henarie
Apr 13, 1990
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Douglas Scott Goeble
Apr 20, 1991
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Rondall Sisco
Sep 22, 1992
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Fabian Dale Dominguez
Jan 15, 1995
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Michael Corey McInnis
Aug 28, 1995
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Oscar Domingo Perez
Mar 24, 2000
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John Anthony Riojas
Feb 3, 2001
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Hector Garza
Mar 29, 2001
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Juan Antonio Morales
Dec 11, 2001
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John Randolph Wheeler
Oct 14, 2005
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Valentine Diaz Lopez Jr.
Jun 21, 2006
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Mario Moreno
Sep 21, 2007
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Robert Anthony Davis
Dec 1, 2008
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Sergio Arturo Antillon
Oct 29, 2010
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Stephanie Ann Brown
Mar 15, 2011
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Edrees Mukhtar
Dec 29, 2012
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Robert Carey Deckard, Jr.
Dec 20, 2013
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Benjamin Edward Marconi
Nov 20, 2016
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Miguel Moreno, III
Jun 30, 2017
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Joseph Anthony Cisneros, Jr.
Feb 1, 2021
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David Glen Evans
Feb 25, 2022
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 11-E
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