Nation Shake Shack manager sues NYPD, New York City over false claims his store poisoned officers June 16, 2021Gabriela Miranda, USA TODAYComments Off on Shake Shack manager sues NYPD, New York City over false claims his store poisoned officers A Shake Shack manager was accused of poisoning NYPD officers' milkshakes. An investigation showed 'no criminality.' Now the manager is suing.