When a person is the victim of a sexual assault, investigators collect evidence from the victim's body in something called a sexual assault evidence kit, most commonly known as a rape kit.
But there's a problem here in California. Thousands of these kits have never been analyzed.
There isn't a complete count but advocacy organizations think more than 9,000 have been shelved, never to be used.
To understand why California has such a substantial backlog of unanalyzed rape kits, Take Two's Josie Huang spoke with Samantha Young. She's a contributor for Calmatters and has written about the backlog.
To hear the full interview with Samantha Young, click on the media player above.