Christopher Swenson Charles Adams Anthony Whitledge Sujeet Shenoi On the Legality of Analyzing Telephone Call Records. 21-39 2007 IFIP Int. Conf. Digital Forensics http://dx.doi.org/10.1007/978-0-387-73742-3_2 conf/ifip11-9/2007 db/conf/ifip11-9/df2007.html#SwensonAWS07