The 21-year-old already faced first-degree murder charges after police say he went on a shooting rampage in the store last month, killing 10 people.
Authorities said the 18-year-old high school student wrote a 129-page manifesto detailing plans to gain notoriety by shooting up a school.
Police said Kinsleigh Welty was kept in a closet that had small handprints of what appeared to be feces on the door.
The man had been fishing in the Appomattox River when he heard the gunfire, and then saw a set of headlights pull away from the water.
The Supreme Court is considering a case that could allow cities to make sleeping outside a crime. Advocates say this doesn't help the problem.
The device from Abbott Laboratories can reportedly detect if a patient has mild traumatic brain injury in just 15 minutes.
The company said the apps were removed at the request of Chinese officials citing unspecified national security concerns.
