Tianna Guerra-Rosten disappeared on Monday after allegedly going for a walk in the 42100 block of Madison Court, according to the Los Angeles County Sheriff's Department.
Authorities did not release any further details but thanked the public for their help in finding Guerra-Rosten.
*JUVENILE FOUND* Thanks 2 Public Help Tianna Guerra-Rosten, from Lancaster found safe. Being reunited w/family. pic.twitter.com/1TiGsxzmdf
— LA County Sheriff's (@LASDHQ) October 10, 2015