By Rocco Parascandola

The NYPD has for the first time laid out rules for using social media during investigations — but critics say the guidelines raise questions about privacy issues.

The five-page memo issued by Police Commissioner Raymond Kelly says officers involved in probes involving social media may register their aliases with the department and use a department-issued laptop whose Internet-access card can’t be traced back to the NYPD.

Trolling the Internet can give police a tipoff to an imminent threat or give cops a leg up if they are conducting undercover work that requires deception, such as posing online as a teen to nab a rapist.

But Christopher Dunn, associate legal director for the New York Civil Liberties Union, said police work on the Internet is ripe for abuse.

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Source: New York Daily News