NEWSVIEWS: Monitoring terrorist threats in Cook County

In Belgium last week, explosions hit an airport and a train killing more than 30 people --- including Americans.

Shortly after the attacks, we were told there were no credible threats in the Chicago area. Who is keeping an eye out for potential danger? One agency involved, Cook County's Department of Homeland Security and Emergency Management.

Ernest Brown, executive director of the Cook County's Department of Homeland Security and Emergency Management, spoke with us about monitoring terrorists threats.

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Newsviews: Video 1

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Newsviews: Video 2