widely studied, hotly debated, and largely inconclusive. americans believe it to be true. a2017 gallup poll showed nearly half of those polled think immigration does lead to higher crime. which is why building a wall along the southern border continues to gain momentum across the country. on top of that, new numbers from judicial watch show that in just the past several weeks, hundreds of illegal immigrants have been arrested for violent crimes from a brutal rate by a lift driver in northern california to human smuggling and child endangerment in new mexico and texas. finally, immigration and customs enforcement or i.c.e. has just filed a detainer against an illegal immigrant in florida accused of shooting and killing a police officer. to make matters worse, over the past ten years, the haitian immigrant had been arrested numerous times, but local police never notified federal authorities.