ABC News. I'm Dave Packard. Two weeks now since the mother of television anchor Savannah Guthrie disappeared in Tucson, Arizona.

Overnight, the FBI and the Pima County Sheriff's Department briefly detaining a man and searching a house near Nancy Guthrie's home.

But law enforcement sources say there was no arrest or sign of the 84-year-old woman.

ABC News contributor and former Secret Service agent Don

Mahalik. We'll see more of these false starts, if you want to call it, where they're going to follow

up on tips. They're going to go places. They're going to run down the investigative leads until it

pans out, whether it pans out that it's a positive lead or like last night it's a negative lead.

The Department of Homeland Security shut down this morning after Republicans and Democrats in Congress

failed to come to an agreement on the way ICE carries out its missions.

Casey Wasserman, the chairman of the 2008 Los Angeles Olympics Organizing Committee,

is selling his talent agency after his connection to Jeffrey Epstein and an

exodus of A-list clients. This is ABC News.

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