Dissolve it and DHS. Investigate every single ERO agent and prosecute those that meet the bar. Bar all of them from future public service. Prosecute agency heads.
Good question. I suppose Trump doesn't much care, he already attempted to pardon that lady who gave balloting material to Mike Pillow. He'll just go issue the pardons and let the courts sort it out.
Or he could have the DOJ charge all of ICE, get the cases removed to federal court, then do an Eric Adams job on them. That'd be a sight to behold.