Key facts
- The Southern Poverty Law Center pleaded not guilty to federal fraud charges.
- Charges allege the SPLC misled donors about using funds for informants within extremist groups.
- Prosecutors claim $4.1 million in donations were used for informants, recruitment, and materials.
- The SPLC denies wrongdoing and alleges vindictive prosecution by the Justice Department.
- The trial is scheduled for October.