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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25129 cases found.
CCR: Unknown
Date Reported: March 22, 2014
VICTIM DETAILS
Name Brittney Brown
Age 26
Gender Female
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 15895 Kentucky
Detroit, Michigan, 48238
Wayne County
L.E.A Detroit Police Department, Detroit, Michigan
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 Detroit Police Department at (313) 596-1800 .
CCR: Unknown
Date Reported: February 23, 2015
VICTIM DETAILS
Name Marcus McClam
Age 29
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 1287 Brentwood Rd 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: October 27, 2013
VICTIM DETAILS
Name Dante Mondragon
Age 17
Gender Male
Race Hispanic/Latino
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 3734 W Lawrence Ave
Chicago, Illinois, 60625
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
VICTIM DETAILS
Name Darryl Dukes Sr
Age 47
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Gun/Firearm
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 805 West Market Street
Sunoco Gas Station
Warren, Ohio, 44485
Trumbull County
L.E.A Warren Police Department, Warren, Ohio
Anyone with information regarding this case is encouraged to contact the Warren Police Department at (330) 841-2658.
CCR: Unknown
Date Reported: January 2, 2007
VICTIM DETAILS
Name Richard Ambriz
Age 29
Gender Male
Race Hispanic/Latino
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 301 Super St
Houston, Texas, 77011
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
Date Reported: February 15, 2014
VICTIM DETAILS
Name Darren Simmons
Age 33
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 3200 Lowerline St
New Orleans, Louisiana, 70125
Orleans Parish
L.E.A New Orleans Police Department, New Orleans, Louisiana
CCR: Unknown
VICTIM DETAILS
Name Karen Marchioni
Age 41
Gender Female
Race Caucasian/White
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Knife/Stabbing
Location At Large
CASE DETAILS
Status Unsolved
Incident Location 14 Nelson Street
Framingham, Massachusetts, 1702
Middlesex County
L.E.A Framingham Police Department, Framingham, Massachusetts

Cold Case Spotlight

On October 8, 2001 at 11:09am Karen Marchioni called 911 after being attacked in her home on Nelson Street in Framingham, Massachusetts. Responding officers found Ms. Marchioni, 41, lying in a pool of blood. Two hours later she succumbed to the dozens of stab wounds to her head and neck. Investigators have been unable to make an arrest in this case and need the publics help in identifying any suspect(s). If you have any information on the murder of Karen Marchioni please contact the Framingham Police Department at (508) 872-1212 or the Middlesex State Police Detective Unit at (781) 897-6600.
CCR: Unknown
Date Reported: April 2, 2017
VICTIM DETAILS
Name James Seals
Gender Unknown
Race Unknown
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Unknown
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 1001 E Romley Ave
Phoenix, Arizona, 85040
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: 199528332
Date Reported: December 22, 1995
VICTIM DETAILS
Name Eric Harper
Age 18
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Gun/Firearm
Location At Large
CASE DETAILS
Status Unsolved
Incident Location 1124 NW 5th Ave
Gainesville, Florida, 32601
Alachua County
L.E.A Gainesville Police Department - Gainesville, Florida
On Friday, December 22, 1995 at approximately 1:00 am victim Eric Harper, an 18 year old black male, was shot while in the area of 1124 NW 5 Ave. People in the area heard a conversation outside and then heard "hey man". They then heard one gunshot. The victim was then heard saying "Oh my God, I've been shot, I'm gonna die". A witness didn't see the shooting but heard the "pop" and saw a black Escort flee the scene. If you have any information regarding this case, please contact Detective Martin Honeycutt with the Gainesvill Police Department at (352) 393-7615 or via email, honeycutml@cityofgainesville.org.
CCR: 111940325
VICTIM DETAILS
Name Leeson Samuels
Age 35
Gender Male
Race African American/Black
SUSPECT DETAILS
Name Unknown
Offense Murder
Cause Gun/Firearm
Location Unknown
CASE DETAILS
Status Unsolved
Incident Location 5200 51st Place
Hyattsville, Maryland, 20781
Prince George's County
L.E.A Prince George's County Police Department, Landover, Maryland
Anyone who has any information about this case, the identity, or location of the suspect(s) is asked to contact the Prince George's County Sheriff's Office at 301-780-8600