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The man was served an emergency protective order and released, but he returned to the property later that day, prompting police to arrest him for violating the order. He remained in police custody Thursday.

Kennedy's campaign said in a statement that the man climbed a fence at the candidate's home but was detained by the candidate's private security company. Kennedy, who is running as an independent, was home at the time of both arrests, the campaign added.

The incidents come over a month after an armed man accused of impersonating a federal officer was . Kennedy and his campaign have repeatedly argued that he needs Secret Service protection.

In September, Kennedy's then-campaign manager wrote to President urging him to provide Secret Service protection to the candidate. Kennedy's uncle, President John F. Kennedy, and his father, Sen. Robert F. Kennedy, were both assassinated.

The campaign's statement said Kennedy's private security company was already aware of the trespasser, whom the campaign called an “obsessed individual.� The company had alerted the Secret Service about him and shared “alarming communications� he had sent to the candidate, the campaign said.

Protection for presidential candidates is not up to the U.S. Secret Service and is instead determined by the Department of Homeland Security in consultation with a congressional advisory committee. While major candidates for president or vice president can get Secret Service protection, the vast majority of primary candidates do not.

The campaign said it sent a to DHS on Wednesday, its third formal request so far. DHS did not immediately respond to an email requesting comment Thursday from The Associated Press.

A law enforcement official on Thursday said the Secret Service does not monitor people it is not actively protecting, like Kennedy. When a request for protection comes in, the official said, the service does an assessment, but it stops monitoring when that is complete. The official, who was not authorized to discuss the situation publicly and spoke to the AP on condition of anonymity, said Kennedy was not being assessed at the time of Wednesday’s incidents.

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Associated Press researcher Rhonda Shafner contributed to this report.

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