OVERWHELMING MAJORITY OF MIDTOWN MANHATTAN CRIMES COMMITTED BY ILLEGALS... REPORT: Migrants Make Up Roughly 75% Of Arrests In Midtown Manhattan, According To Estimate Migrants reportedly make up roughly 75% of arrests in Midtown Manhattan and a large bulk of other New York City (NYC) neighborhoods, according to the New York Post. Illegal migrants and other foreign nationals living in shelters are flooding New York City’s criminal justice system, according to law enforcement sources who spoke anonymously with the Post.