Sept. 11 Anniversary: High Alert

Reena Ninan looks at law enforcements increased security measures.
3:00 | 09/09/12

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Transcript for Sept. 11 Anniversary: High Alert
Thank you, george. In just two days will mark the 11th the attacks of 9/11. Abc news has obtained a law enforcement bulletins of lone wolf attacks. In previous years, terrorist chatter increased leading up to this anniversary date. We stepped up airport security and law enforcement always remaining on high alert. But this year the security assessment has changed. As law enforcement agencies prepare for the anniversary of september 11th a new bulletin obtained by abc has been told by a decline in 9/11 messaging by al qaeda. Law enforcement will still remain vigilant. But these scale-back statements pale in comparison. On heightened alert. There are special, credib but unconfirmed threat information. Reporter: Why is al qaeda quieter this 23 of the top 30 al qaeda commanders are off the field, either dead or captured. This has been a pretty tough of months for al qaeda. Reporter: While as an al qaeda threat has been downgraded the threat of lone wolf has increased. Law enforcement officials those attacks by lone wolfs are harder to attack. Dan? Thank you for your reporting this morning. Now to the mystery that

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