Chat Sessions Admitted as Evidence
From Federal Evidence Review:
Internet chatroom conversations about having sex with minors was admissible to show the defendant's knowledge of the age of his victim and absence of mistake under FRE 404(b); a sufficient showing was made that he made the other chats and not other family members who had access to the computer, in United States v. Zahursky, __ F.3d __ (7th Cir. Sept. 1, 2009) (No. 08-1151)
Source: Wisconsin Law Journal