The man was arrested at the El Centro station after he revealed that he is an active gang member with the notorious Mara Salvatrucha 13 (MS-13), admitting that he had traveled with the caravan from Central America to the southern border in hope of applying for asylum.
All three are being held in Department of Homeland Security custody pending deportation proceedings, officials said.
"Since no one is listening to us, we've decided as a women's movement.to launch a hunger strike", said Claudia Miranda of Honduras at an improvised press conference in the border city of Tijuana.
Many plan to seek asylum in the USA but may have to wait months because the US government only processes about 100 of those cases a day at the San Ysidro border crossing in San Diego.
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About 22,000 police officers and other security forces were guarding the leaders during the two-day summit that began on Friday. Saudi officials have blamed the killing on rogue agents and denied the crown prince had knowledge of the operation.
The migrant caravan, consisting of thousands of people from Central America, ventured through Mexico towards the USA in the hope of better lives.
"As President [Donald] Trump and Secretary [Kirstjen] Nielsen warned, over the last few weeks we have identified over 600 known criminals and gang members in the caravan".
Hundreds of people marched toward the San Ysidro crossing where they were stopped by Mexican police.
USA authorities say assailants threw a "hail of rocks" at agents, striking four who escaped serious injury.
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He said he would monitor the two newborns for the next 18 years and hoped they would support continued monitoring thereafter. He's announcement, which has not been verified, sparked an global outcry about the ethics and safety of such research.
Later that day, another Border Patrol agent was assaulted while trying to arrest an illegal immigrant.
Tear gas was sacked at the migrant group, including women and children.
Approximately 7,000 migrants remain on the Mexican side of the border demanding to be let into the United States. In June, Trump retreated on the administration's "zero-tolerance" policy on prosecuting illegal entries by generally exempting people who enter the country in families.
The agency shared this information in a news release.
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Later in the year he would finish second at the PGA Championship, then win the Tour Championship, his first victory since 2013. He ended a busy stretch a year ago by winning at East Lake, so he knows physically he's up for it.
Officials say the suspect will face charges for assaulting a federal agent. He was on US soil and he knew that he didn't have authorization to be there.