They don't have enough agents to conduct a Nazi style door to door crackdown of entire cities so their goal is mostly to instill fear in the immigration community by conducting high profile raids some of which will be extremely cruel (parents of young kids, people attempting to adjust their status, etc.) along with their regular criminal round-ups, etc. to send a message that nobody is safe.

Cover your corn holes and tell your non-DACA friends and family to not do anything dumb in the coming months.