Jackson sat in his office at Petersons International at eleven PM on a Friday night, nursing his third glass of scotch and staring at the private investigator's report that had arrived via encrypted email an hour earlier; the document was clinical and detailed, full of timestamps and photographs and observations that painted a picture Jackson didn't want to see but couldn't stop examining.

"Subject arrived at 847 Oakwood Street at 7:14 PM on November 2nd," the report read. "Subject entered ...