Every year, more than 100 people are murdered in Hampton Roads.
You hear about them on the news, but how often to police solve the crime and close the case?
Spreadsheet: Unsolved Hampton Roads murders
Investigator Mike Mather gathered four years of homicide records from across Hampton Roads - 463 homicides in all - and analyzed the data.
In fact, in one city, police have solved less than half of the murder cases.
