Federal and state authorities are working to find the origins of racist text messages sent to Black people across the country threatening them with slavery and telling them they were “selected to pick cotton at the nearest plantation.

Federal and state agencies are investigating racist mass text messages targeting Black Americans across multiple states following the recent presidential election.

Black Minnesota middle school students are receiving racist text messages referencing plantations and slavery. Its part of a nationwide trend.

Thousands of Black residents across several U.S. states reported that they received racist texts the day after the election. The reports have come out of at least 20 states, including California, according to CBS News.