a very small percentage. >> host: gretta goodwin taking your calls and questions. dale is up first in chesapeake beach, maryland, a republican. go ahead. >> caller: i wanted to make a couple quick comments. 2017 or during the election there was a lot of backlash about the border wall and how much it was going to cost and a waste of money, i heard $10-$20 billion. obviously a border wall wouldn't stop all illegal immigration, but if we are talking 3 to $4 billion a year costing our government, state, local and federal, to get these people through the justice system it sounds like that would pay for that wall over 5 to 10 years. on top of that a question about the study regarding what is criminal or not, isn't crossing the border illegal itself, a violation of the law? does that not get counted whether someone is classified as a criminal illegal alien? >> host: start with the second question first. >> guest: crossing the border illegally is considered a crime. when we did our study we list the types of crimes they are incarcerated, one of the largest percentages of t