The question of her safety and whereabouts is answered, but many others remain about her abrupt disappearance.
Sabrina Malone hadn't been heard from since she texted her roommate that she was getting a bus in Cobble Hill and heading home to Brooklyn Heights.
Investigators tracked her down after her credit card was used in the nation's capitol.
When they found her, police say she appeared disoriented.
She was taken to a hospital for evaluation.
Police do not suspect any criminality was involved.