cold case
crime that has not yet been fully solved and is not the subject of a recent criminal investigation
Alphabet murders
unsolved serial murders
The Springfield Three
1992 missing in Springfield, Missouri, the United States
Texarkana Moonlight Murders
1946 unsolved serial murders in the United States
Santa Rosa Hitchhiker Murders
unsolved murders in Santa Rosa, California
Jamison family deaths
2009 deaths in Red Oak, Oklahoma, United States
murder of Elizabeth Short
January 1947 crime
Walker family murders
unsolved murder of two parents and two children in Osprey, Florida
disappearance of Virginia Carpenter
1948 American missing person case
Green Bicycle Case
1919 unsolved English homicide case
Wanda Beach Murders
Murders of two children in 1965 in Sydney, Australia
thallium poisoning case of Zhu Ling
unsolved 1995 thallium poisoning case in China