https://www.dnainfo.com/chicago/2017...-united-flight
In response to heated and repeated questioning by 14th Ward Ald. Ed Burke, Evans acknowledged that Aviation security officers had been ordered to no longer wear uniforms emblazoned with the word "police."
Evans said the Aviation security officers were told in January to identify themselves as "security."
The investigation will probe why the officers captured on video were wearing black-and-white jackets with the word "police" on them, Evans said.