"Between the war on immigrants, the war on feds, and the war on facts... Rosenblum oversaw the office responsible for compiling department-wide data on immigration enforcement, border security, cybersecurity and other DHS operations. His departure comes as immigration enforcement continues to expand. Newly released ICE data analyzed by The Guardian, show federal agents arrested 43,138 immigrants in June, the highest monthly total since Trump's return to office. The report also noted that ICE delayed publishing arrest and detention statistics for months before releasing updated figures this week.