Minneapolis City Hall and Hennepin County Government Center security preparations begin for the Derek Chauvin trial.
The Hennepin County Government Center in downtown Minneapolis.
Fencing going up around Minneapolis City Hall and the Hennepin County Government Center in downtown Minneapolis. The unprecendented security measures are taking place 18 days before the start of the Derek Chauvin murder trial. Chauvin is charged in the May 25th death of George Floyd.