Police spokesman Jaime Rios said Jackson voluntarily returned home late Thursday.
Fresno police are asking the public's help to find an 18-year-old woman missing since Wednesday.
Alexis Akemi Jackson left her northeast Fresno home about 2 a.m. Wednesday. Her family believes she took a blue backpack and was wearing hiking boots.
Jackson has been depressed and the family is worried for her safety, police said. Police describe Jackson as a 5-foot 4-inch white female adult who weighs about 115 pounds and has brown hair and brown eyes.
Anyone with information on Jackson's whereabouts is asked to contact Keith Jackson at (559) 433-7433 and the Fresno Police Department at (559) 621-2499.
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