The noose, a symbol of hatred from Americaís dark past, has resurfaced. Why is it back? CNNís Kyra Phillips investigates the shocking history of the noose and its re-emergence across the United States. Watch Saturday and Sunday at 8 p.m. ET.

History and recent incidents:
Noose incidents: Foolish pranks or pure hate?
The noose as a symbol in American history
NYPD reviews video in Columbia noose incident
Noose incident shocks Columbia faculty, students
Coast Guard tries to deal with noose incidents
Two arrested in noose incident near Jena, Louisiana

All About: Jena 6 | Racial Issues | Racism and Bigotry