I assume such an idea could be on shaky ground, even if it passed.

The lawmaker "proposed banning agents recruited and hired to carry out the president’s mass deportations from ever working in state public safety jobs."

Boafo’s legislation would specifically ban ICE enforcement agents hired after Trump’s inauguration on Jan. 20 of last year from holding jobs in state law enforcement....

The idea drew backlash from Republicans in the state, who questioned its legality and see the ban as a proxy for barring people from jobs based on their political views.

“This is a dumb idea,” Del. Kathy Szeliga (R-Baltimore County) said.

“Law enforcement hiring should be based on the training, experience, and conduct of the candidate, not a partisan litmus test tied to some president you don’t like,” she said....

Also,

Maryland House Majority Leader David Moon (D-Montgomery) has proposed a “digital unmasking” law to identify these agents another way: requiring Maryland law enforcement to proactively investigate and collect identifying information on every masked federal immigration agent conducting an operation within the state’s borders.