Racist letters mailed to people in Lincoln County advised residents to track and report information about people of color, according to the Lincoln County Sheriff's Office. The letters, titled "The Brown Round-Up Part 1," advised about the kind of information to collect related to people of color, according to a copy of the letter shared by KOIN.

Several officials in Lincoln County, Oregon have received an anonymous letter urging people to report “brown folks” they suspect are undocumented immigrants, according to the Lincoln County Sheriff's Office.

A sheriff in rural, coastal Oregon says he's concerned about letters asking residents to collect information on immigrants.