Forensic Tools for Social Networks

Read the article posted with this discussion forum, Forensics Tools for Social Networks. What does the author identify as security issues with social network sites? Do you agree with the author? Why or Why Not?

What tools are available to law enforcement when a crime has been committed and social networks are involved?

Your reply is to be a minimum of 2 well-developed paragraphs that discuss security issues with social networks and tools for investigating social networks. In addition, research the internet and provide a reference link for each of these same items.

-Wikipedia isn't allowed-