Fifty years after a man from San Francisco, California was killed during a trip to Florida, authorities are asking for the public’s help in solving the cold case murder.

According to the Florida Department of Law Enforcement (FDLE), the 1974 murder of James Norris is believed to be one of the oldest active homicide investigations in the state.

“We’re working for the family of Mr. Norris so they can find out what happened to their loved one,” FDLE Special Agent Supervisor Mike Kennedy said in a statement. “Even though it’s been 50 years, we do have persons of interest and they should be held accountable for their actions even if it is 50 years later.”

Read more: cbsnews.com

James Norris (aka Richard Gunning)