Question of jurisdiction at planned training site raised at city council meeting

Update: The Atlanta Police Department provided the following response to ANF about its ability to make arrests at the police training center site.
“The Atlanta Police Department is conducting ongoing law enforcement activities at the construction site of the Atlanta Public Safety Training Center. APD is acting as part of a multi-agency, multi-jurisdictional law enforcement task force led by the Georgia Bureau of Investigations. APD is providing support per the security plan mutually agreed upon by the City of Atlanta and DeKalb County. Some Atlanta Police Officers supporting these activities have been deputized by the Fulton County Sheriff’s Office. Atlanta Police Officers are all POST-certified law enforcement officers. POST-certified law enforcement officers have the authority to conduct arrests for violations of the law that occur in their presence, regardless of jurisdiction. The site has been subject to unprecedented, ongoing and sustained criminal activity, including arson, property destruction, the setting of dangerous booby traps and illegal encampments. The criminal activity requires continual monitoring and law enforcement presence. The site itself is owned by the City of Atlanta and has been in continual use by law enforcement for decades.”
Here is the earlier story provided by ANF:
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ATLANTA, Ga. (Atlanta News First) — Questions are being raised about who has jurisdiction and arresting power over the planned site for the Atlanta Public Safety training center.