This is like, 
CSI-type craziness... Three human hairs collected and preserved from a bedroom where a Huntington Beach woman was sexually asaulted, beaten and strangled more than twenty years ago led to the arrest of a Canadian man earlier this week: 
3 hairs led to arrest in 1984 Huntington killing.  The Orange County Sheriff's Crime Lab matched the hair's DNA to Gerald Su Go, 51, which resulted in a warrant accusing him of murdering Elizabeth Mae Hoffschneider on November 14, 1984.  He was arrested by police in Toronto on Tuesday.  More here: 
Arrest comes 23 years after Orange County slaying.  Gotcha, sucka!  Took twenty-three years, but you've been caught.