The Division of Homeland Safety’s prime numbers-cruncher has resigned, citing the Trump administration’s “warfare on immigrants” on his method out.
DHS has been a hub of controversy throughout the second Trump time period: the ICE raids in American cities, the wild spending, the growing archipelago of detention centers, the makes an attempt to conceal knowledge about all of it. However vanishingly few officers have left the division and been overtly vital of the course it has taken. Marc Rosenblum, who served as govt director of the Workplace of Homeland Safety Statistics and a deputy assistant secretary at the division, is one among the first.
“I’m thrilled to finish my relationship with the present administration,” Rosenblum stated in a LinkedIn post over the weekend. “Between the warfare on immigrants, the warfare on feds, and the warfare on information (not to point out the loopy warfare in Iran and the brazen corruption), I simply want a change.”
Rosenblum additionally served in the first Trump and Biden administrations, initially working DHS’s workplace of immigration statistics, after which overseeing stats for the entire department—collating numbers on all the things from cybersecurity intrusions to trafficking investigations to deportations. His workplace peaked at 45 individuals in the Biden years, and began to shrink since.
“He had one among the most attention-grabbing prices at DHS,” a former colleague tells WIRED of Rosenblum. “There’s 22 part companies, and so there are 22 alternative ways of aggregating knowledge that have been simply utterly siloed.”
“So Marc’s cost was to consolidate all the knowledge and put it in a method that internally, I at headquarters may know precisely what number of Coast Guard interdictions occurred off the Coast Guard station in Miami, and what number of of these have been Cuban, Haitian, Nicaragua, Venezuelan. After which form of conceptualize that with the identical inhabitants of those who have been crossing the Southwest border,” the former colleague provides.
A home safety company like DHS is by no means going to be a mannequin of transparency. However Rosenblum, a long-time immigration policy wonk and an immigration specialist for the Congressional Analysis Service, promised as a lot openness as attainable when he took on his department-wide function in 2023. “We’ll start releasing knowledge extra shortly, with better granularity and masking a broader scope of DHS actions,” he told Federal News Network that November.
That knowledge itself grew to become controversial in Trump 2.0. The Workplace of Homeland Safety Statistics’ website on ICE detentions, Border Patrol encounters, and DHS repatriations hasn’t been up to date since February 11, 2025, simply weeks into the second Trump time period. What information has been pried from DHS since then, usually by way of Freedom of Information Act lawsuits, has been at instances spotty and unreliable, analysts say.
“There’s no accountability, no method to assess, no public understanding about what’s actually going on that is not curated by a press launch from the company,” David Bier, the Cato Institute’s director of immigration research, told NOTUS in November.
Requested about Rosenblum’s resignation and his “warfare on immigrants” remark on LinkedIn, a DHS spokesperson says in an announcement, “Individuals are at all times welcome to their opinion—that does not make it proper or factual. We are going to not remark on private choices.”
Rosenblum did not reply to a request for remark, however he did allude to the problem of publishing high quality knowledge below this administration in his LinkedIn publish. “My OHSS co-workers are excellent profession federal civil servants. They are sensible, mission-focused consultants who produce top quality ends in a difficult and infrequently hostile work surroundings,” he wrote.
“Marc was precisely what each American ought to need in a profession public servant,” Luis Miranda, a prime DHS spokesman throughout the Biden years, tells WIRED. “The Trump administration has ruled by silencing or ignoring information and information they imagine doesn’t line up with their excessive rhetoric, and that has damaging implications, so it is no shock profession officers whose job is transparency are unable to do these jobs.”
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