Jonylah's death follows the January high-profile shooting death of Hadiya Pendleton, a 15-year-old who was killed when a gunman opened fire on a group of young people on the South Side.
Mr Wadham admits that high-profile investigations such as that into the shooting of Mr Menezes have pushed aside inquiries into more minor, albeit more pervasive, kinds of police misconduct.
The deaths of McClelland and Hasse were two of several recent high-profile law enforcement killings, including the shooting earlier this month of a southern West Virginia sheriff and the March slaying of Colorado's prison chief.
And the shooting comes less than a month after federal prosecutors announced the high-profile indictment of five New Orleans gang members on gun and drug charges.