A 16-year-old girl named Destiny Ripka was reported missing on Monday. She was last seen at Lakehill Preparatory School near White Rock Lake. Ripka suffers from post-traumatic stress disorder and left a suicide note at her home before going missing, according to Dallas Police. 

If you have information on Ripka's whereabouts, call 911 or Dallas Police at 214-671-4268.

Go here for case updates and to see Ripka's description.