Why Did 3 Chicago Aldermen Vote 100% of the Time With Alderman Burke and Alderman Solis on 67 Divided Roll Call Votes Between June 17, 2015 and March 29, 2017 ?

Why did 3 Chicago Aldermen vote 100% of the time with Alderman Burke and Alderman Solis on 67 divided roll call votes between June 17, 2015 and March 29, 2017 ?

This is how your Chicago Alderman voted with Ed Burke pic.twitter.com/0tgAd4GALa

— William Dunn (@djbigwill1999) February 15, 2019