"This has been an extremely fast investigation within the just past 12 hours," Blacksburg Police Chief Anthony Wilson said in a news release. "And we still have a great deal to do as there are multiple interviews to conduct and evidence" to collect and analyze "as we reconstruct the timeline of events leading up to Nicole’s tragic death." Nicole was reported missing Wednesday and was last seen in Blacksburg between midnight and 7 a.m., police said. A report issued after her disappearance said she had undergone a liver transplant and required prescription medicine daily. Nicole's mother, Tammy Weeks, said in...