Lynn Jackenheimer Missing: Boyfriend's brother said sibling told him he strangled Ohio woman

(CBS/AP) ASHLAND, Ohio - The brother of a man who authorities consider a person of interest in the disappearance of 33-year-old Ohio mother Lynn Jackenheimer told a 911 dispatcher that his sibling told him he strangled her.

Pictures: Ohio mom missing after N.C. vacation

In a recording provided by the Ashland County Sheriff's Office, Jacob Summerfield says he's reporting a possible murder. He tells the dispatcher that his brother, whom he identifies as Nate Summerfield, returned without his ex-girlfriend from vacation in North Carolina and told him he strangled her.

Jacob Summerfield then says his brother took off and he doesn't know where he went.

The man identifies the ex-girlfriend as Lynn Jackenheimer of Ashland. Police say Jackenheimer traveled to the Nags Head, N.C.-area with Summerfield and has been missing since July 4.

Officials say investigators are looking for Nate Summerfield, described as a person of interest in the case.

Authorities said Summerfield, who is is about 5-foot-8 with brown hair and blue eyes, is driving a dark gray 2009 Honda Civic, Ohio license plate FMV7540.

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July 10, 2012 - Lynn Jackenheimer Missing: Boyfriend sought after Ohio mother never returns from vacation, police say