HARRIS COUNTY, Texas -- An AMBER Alert was canceled for a teen previously reported missing from the Katy area.

The Harris County Sheriff's Office reported the 15-year-old was last seen around midnight Friday, Dec. 20.

She was found safe on Monday, Dec. 23.

Thousands of people go missing every year across the United States, and there are organizations and law enforcement agencies that work to bring them home to loved ones.

The Texas Center for the Missing is an organization with Houston roots that works to educate loved ones and authorities on finding the lost.

From resources that deal with missing children to endangered adults, the nonprofit organization has compiled a wealth of resources to help.

You should also notify your local police department, sheriff's office or constable's office.