Crime | Clark Rockefeller Kidnap Dad Now 'Of Interest' in Calif. Murder LA officials probing 1985 cold case join grilling of 'Rockefeller' By Kevin Spak Posted Aug 6, 2008 2:43 PM CDT Copied Clark Rockefeller is directed by municipal court officers at his arraignment, Tuesday, Aug. 5, 2008 in Boston. Rockefeller was extradited from Baltimore to Boston to face kidnapping charges. (AP Photo/The Boston Globe, Essdras Suarez) Los Angeles police have joined officials interrogating accused kidnapper Clark Rockefeller in Boston after declaring him a “person of interest” in the 1985 disappearance of a couple now believed dead. Remains believed to be John Sohus were discovered in 1994, and wife Linda is yet unaccounted-for; authorities think Rockefeller—likely an alias—may be the mysterious guest who vanished after they did, the Globe reports. That guest went by Christopher Chichester, but was also believed to use many aliases. Rockefeller is already in custody for kidnapping his 7-year-old daughter. “This person back in your jail is now a person of interest in our investigation,” said an LA sheriff’s representative. “One of the things we are going to try to determine is: Is he Chichester?” Read These Next CNN boss asks workers not to 'jump to conclusions' about deal. Trump laid a 'trap' for Democrats, and GOP aims to pounce. Christina Applegate pulls back the curtain on her real life. Mr. Clean is punching in for the last time. Report an error