As magnets for illegal aliens, they tend to pool in such places, making it somewhat easier for ICE to locate them.
PORTLAND, OR (KPTV) -
Immigration and Customs Enforcement arrested nearly 500 people nationwide, including 33 in Portland, during a four-day operation focused on sanctuary cities.
500 in four days is a pretty good catch rate.
Of course, around here, politicians have darned near suffered cardiac events.