An officer was killed during a burglary 56 years ago. Could a reward help crack the case?

"The murder of Officer Robert Keller continues to be painful for the Huntington Park community and his family," Supervisor Janice Hahn said.

Keller and the intruder exchanged approximately 12 rounds, authorities said. Keller was shot in the chest during the gunfight and later died from his injuries.

Read at Los Angeles Times