“Since Trump took office last year, his office has been repeatedly blocked from sharing previously public data,” said one expert of Marc Rosenblum. America First Post wrote in a post on social media that Marc Rosenblum, who until recently was the executive director of the DHS Office of Homeland Security Statistics (OHSS), “easily could’ve been underreporting deportations or illegal populations, ruining data.” Between the war on immigrants, the war on feds, and the war on facts (not to mention the crazy war in Iran and the brazen corruption), I just need a change.” Reichlin-Melnick has also frequently spoken out about the lack of data being publicly released by DHS to back up its claims about immigration arrests. “Since Trump took office last year, his office has been repeatedly blocked from sharing previously public data.”