The suspects in the Black Hawk case were arrested under a law revised last year in response to cyber crimes.

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There is little to suggest police will be any more prepared for these emerging threats than they were for basic cyber crimes.

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After Kelley told the agent about the harassing emails, the agent referred her complaint to a cyber crimes unit at the Bureau, which opened an investigation.

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Along the way, co-founder and de facto group leader Sabu was arrested on June 6, 2012 by the FBI and, on threat of imprisonment for separate cyber crimes, turned informant.

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"Those thinking of engaging in such activities should be warned that hacking, creating or propagating malicious viruses or participating in Distributed Denial of Service (DDoS) attacks are not harmless fun, " Cyber Crimes Commander Glen McEwen said.

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"Without the public's help, we may not be able (to find the man) and more importantly stop the ongoing abuse of this victim, " said Brian Korzak, a special agent with ICE's Cyber Crimes Center, Child Exploitation Unit.

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The pointed remarks appeared to reflect growing US concern over cyber-crimes said to originate in China.

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These measures already have proven invaluable in the international fight against terrorism, organized crime, cyber-crimes, and transnational crimes in the Information Age.

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The police must be allowed to tackle "21st-Century crimes" such as cyber fraud and money laundering, she added.

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So, here is the bottom line for corporate America: unlike traditional crimes, companies cannot just call the cops and let them chase the cyber criminals.

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