Trump and the Republican lawmakers blasted the current immigration system
Arrests of immigrants with no criminal records doubled to 5,441, Washington Post report said
During the 2009 financial year, immigration officials made 35,094 arrests
It is actually linked to reductions in some crimes in America, said the study
About 2,000 protesters ignored steady rain to march and rally through the streets of Washington
The increasingly popular destination for people avoiding criminal charges is no pariah nation