A mother and her 2-year-old child are recovering after they were stabbed in Providence, Rhode Island.
The Ivy League university's announcement comes the same day the Department of Education announced it would be reviewing the school for potential Clery Act violations.
Claudio Manuel Neves Valente is accused of killing two students at Brown University, which he once attended, and a former classmate.
DHS Secretary Noem said that the suspect received his visa through the diversity visa lottery program, and announced that, at President Trump's direction, she was pausing the program.
Authorities are asking the public to review any security or phone footage from the week before the attack in the hopes it might help investigators identify the suspect, believing he may have cased the scene ahead of time.
A person of interest in the Brown University shooting was detained and released on Sunday, officials said.