Benites entered Trump Tower at approximately 4 p.m. EDT Thursday wearing the vest underneath his shirt, according to multiple reports.
The 52-year-old man who is from the Bronx was also carrying a forged NY state ID, police say.
Adames Benitez, 52, went to the building and claimed to be a US senator who wanted to see President Trump's daughter Ivanka.
Adames Benitez, 52, claimed he was a USA senator, and said he wanted to speak with Trump about her clothing line, police said.
Man Armed With Throwing Knives Tries to Reach Ivanka in Trump Tower
Ivanka Trump was not in the building at the time - she is in Germany with her father and the rest of his presidential team.
Trump Tower on Fifth Avenue in Manhattan, New York. He was charged with weapons possession and having a fraudulent I.D.
The president, first lady, Ivanka and her husband Jared Kushner are now out of the country in Germany for the G20 Summit.
52-year-old Benitez was turned over to NYPD and taken to Cornell Medical Center for psychiatric evaluation.
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