WEBSTER GROVES, MO/ 13 SEP 2020/ Residents receive letters to remove BLM signs from unknown sources.
SITREP: Residents have displayed various BLM signs along a particular neighborhood street. They have received letters from unknown senders stating an impact to property valuations as a result of their BLM sign.
RECOMMENDATION: Forward suspicious mail to police departments for analysis.
Notes: The same letters have been appearing in Portland according to the report. This suggests national coordination.