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US President Barack Obama holds a press conference in the briefing room at the White House in Washington, DC, on December 18, 2015.
US President Barack Obama holds a press conference in the briefing room at the White House in Washington, DC, on December 18, 2015.

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    Obama: Detecting lone wolves like finding next mass shooter

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Obama: Detecting lone wolves like finding next mass shooter

In his fourth attempt to reassure an anxious public President Obama said detecting lone wolf terrorists is like detecting the next mass shooter. CNN's Jim Acosta reports.

Obama: Detecting lone wolves like finding next mass shooter

In his fourth attempt to reassure an anxious public President Obama said detecting lone wolf terrorists is like detecting the next mass shooter. CNN's Jim Acosta reports.