That article never says that DOJ sent protestors.
Just that they provided support to those protests which is part of their remit i.e. to reduce conflict by encouraging dialog, mediation as opposed to protesting etc: https://www.justice.gov/crs
Hmm, you must have missed when the Department of Justice sent protestors to Florida to pressure a local district attorney into pressing charges against a very clearly innocent man. And if you disagree with the very clearly innocent part then you definitely didn't watch the trial and missed the eyewitness reports and the medical reports.
https://theweek.com/articles/462236/did-justice-department-i...