The date at the top of the page of the Preliminary Inquiry form Riker examines is "01/05/2001", despite the investigation having begun in late October of 2001.
At around 42:00 the phone that Hatfill uses to text is a BlackBerry Classic, which was not introduced until 2014, while the events of the series take place from 2001-2008. The look/design of what is onscreen is also totally different from a normal Blackberry Classic.