This is an exerpt from a New York Times article. A link to the full article can be found at the end.
Deconstructing the 'Ferguson Effect"
By Shaila Dewan
It was a narrative that resonated with law-and-order advocates after the long August of 2014, when unrest followed the fatal police shooting of Michael Brown in Ferguson, Mo. The police, vilified and facing a hostile public, were unable to do their jobs, leaving criminals to run amok. It was called the Ferguson effect.
Though based on thin evidence and met with fierce rebuttals, the theory keeps coming up. This month, Attorney General Jeff Sessions said