Prject: Cold Case

Cold Cases Database

This database consists of unsolved homicides collected from family submissions, law enforcement submissions, and public records. This database is not part of our advocacy and awareness platform but a separate database for information purposes only. 

Please note: This database is not updated regularly due to cost and manpower. A bug occurred during a recent update and reset many of the dates to January 1, 1970.

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25202 cases found.
CCR: Unknown
Date Reported: September 12, 2007
VICTIM DETAILS
Name Mario Lucious
Age 24
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 6308 S Maplewood Ave
Chicago, Illinois, 60629
Cook County
L.E.A Chicago Police Department, Chicago, Illinois
This case was gathered through a partnership with The Washington Post. The Post gathered information from 50 large cities in the United States regarding their unsolved murders. View the original article here: https://www.washingtonpost.com/graphics/2018/investigations/where-murders-go-unsolved/?noredirect=on&utm_term=.986316f33dac Anyone with information regarding this case is encouraged to contact the Chicago Police Department at (312) 746-6000.
CCR: Unknown
Date Reported: December 9, 2007
VICTIM DETAILS
Name William Johnson
Age 27
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 4600 N 38th St
Milwaukee, Wisconsin, 53209
Milwaukee County
L.E.A Milwaukee Police Department, Milwaukee, Wisconsin
This case was gathered through a partnership with The Washington Post. The Post gathered information from 50 large cities in the United States regarding their unsolved murders. View the original article here: https://www.washingtonpost.com/graphics/2018/investigations/where-murders-go-unsolved/?noredirect=on&utm_term=.986316f33dac . Anyone with information regarding this case is encouraged to contact the Milwaukee Police Department at (414) 933-4444.
CCR: Unknown
Date Reported: June 30, 2014
VICTIM DETAILS
Name Steven Allen
Gender Unknown
Race Unknown
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 3423 S 51st Ave
Phoenix, Arizona, 85043
Maricopa County
L.E.A Phoenix Police Department, Phoenix, Arizona
This case was gathered through a partnership with The Washington Post. The Post gathered information from 50 large cities in the United States regarding their unsolved murders. View the original article here: https://www.washingtonpost.com/graphics/2018/investigations/where-murders-go-unsolved/?noredirect=on&utm_term=.986316f33dac Anyone with information regarding this case is encouraged to contact the Phoenix Police Department at (602) 262-6151.
CCR: Unknown
Date Reported: September 1, 2007
VICTIM DETAILS
Name Terry Baltimore
Age 41
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 5017 Hanna Pl SE
District of Columbia
L.E.A Metropolitan Police Department of the District of Columbia
This case was gathered through a partnership with The Washington Post. The Post gathered information from 50 large cities in the United States regarding their unsolved murders. View the original article here: https://www.washingtonpost.com/graphics/2018/investigations/where-murders-go-unsolved/?noredirect=on&utm_term=.986316f33dac Anyone with information regarding this case is encouraged to contact the Metropolitan Police Department of the District of Columbia at (800) 673-2777.
CCR: Unknown
Date Reported: July 5, 2007
VICTIM DETAILS
Name Donnell Doy
Age 27
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 5215 Just St NE
District of Columbia
L.E.A Metropolitan Police Department of the District of Columbia
This case was gathered through a partnership with The Washington Post. The Post gathered information from 50 large cities in the United States regarding their unsolved murders. View the original article here: https://www.washingtonpost.com/graphics/2018/investigations/where-murders-go-unsolved/?noredirect=on&utm_term=.986316f33dac Anyone with information regarding this case is encouraged to contact the Metropolitan Police Department of the District of Columbia at (800) 673-2777.
CCR: Unknown
Date Reported: July 17, 2012
VICTIM DETAILS
Name Juan Castillo
Age 20
Gender Male
Race Hispanic/Latino
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 3703 Lelia St
Houston, Texas, 77026
Harris County
L.E.A Houston Police Department, Houston, Texas
This case was gathered through a partnership with The Washington Post. The Post gathered information from 50 large cities in the United States regarding their unsolved murders. View the original article here: https://www.washingtonpost.com/graphics/2018/investigations/where-murders-go-unsolved/?noredirect=on&utm_term=.986316f33dac Anyone with information regarding this case is encouraged to contact the Houston Police Department at (713) 222-8477.
CCR: Unknown
VICTIM DETAILS
Name Fawn Cox
Age 16
Gender Female
Race Caucasian/White
SUSPECT DETAILS
Name Donald Cox Jr.
Offense Murder
Cause Ligature/Strangulation
Location Deceased
CASE DETAILS
Status Solved
Incident Location 4640 East 9th Street
Kansas City, Missouri, 64124
Jackson County
L.E.A Kansas City Police Department, Kansas City, Missouri

Update: November 9, 2020 - After advanced DNA testing, it was determined that Fawn Cox's own cousin, Donald Cox, Jr., was responsible for the rape and murder of the 16-year-old. Donald Cox died in 2006 from an overdose.

Anyone with information regarding this case is encouraged to contact the Kansas City Police Department at (816) 234-5000.

CCR: Unknown
Date Reported: January 12, 2016
VICTIM DETAILS
Name Carroll Oliver
Age 68
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 5226 Tremper St
Houston, Texas, 77020
Harris County
L.E.A Houston Police Department, Houston, Texas
This case was gathered through a partnership with The Washington Post. The Post gathered information from 50 large cities in the United States regarding their unsolved murders. View the original article here: https://www.washingtonpost.com/graphics/2018/investigations/where-murders-go-unsolved/?noredirect=on&utm_term=.986316f33dac Anyone with information regarding this case is encouraged to contact the Houston Police Department at (713) 222-8477.
CCR: 87-10-43155
Date Reported: October 23, 1987
VICTIM DETAILS
Name Marilyn Decker
Age 28
Gender Female
Race Caucasian/White
DOB 08/15/1959
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Suffocation
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 3000 S. Flamingo Road
Davie, Florida, 33330
Broward County
L.E.A Davie Police Department, Davie, Florida
Anyone with information regarding this case is encouraged to contact the Davie Police Department at (954) 693-8200.
CCR: 2007-066075
Date Reported: July 3, 2007
VICTIM DETAILS
Name Ivan Mcgriff
Gender Unknown
Race Unknown
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 4950 Rose Ave.
Orlando, Florida, 32808
Orange County
L.E.A Orange County Sheriff's Office, Orlando, Florida
Anyone with information regarding this case is encouraged to contact the Orange County Sheriff's Office at 407-254-7280.