Anchorage Police, Associated Press
FILE - This undated handout photo provided by the Anchorage Police Department shows 34-year-old Israel Keyes.

ANCHORAGE, Alaska — The FBI says investigators are following up on tips about an Alaska serial killer that were prompted by new information released to the public.

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The FBI in August posted more than six hours of videotaped interviews with Israel Keyes conducted in the months before his suicide last year in an Anchorage jail.

The FBI also released an updated timeline of travels and crimes by Keyes in the hope that someone might be able to match his movements in the past 12 years to missing people. Keyes was believed to have killed 11 people across the country.

FBI spokesman Eric Gonzalez says investigators received a few leads from outside Alaska after the new information was released.

Gonzales says none of the leads has yielded anything he can discuss at this point.