Guatemalan teenager is the last immigrant child to die in the United States

A 16-year-old boy apprehended by the US Border Patrol was "found unconscious" Monday morning in the detention facility, according to US Customs and Border Protection. A border patrol official said Monday afternoon that his son, Carlos Hernandez Vásquez, had died hours after a nurse at a border patrol station in Weslaco, Texas, had determined Influenza A virus.

Hernandez Vásquez was arrested on May 13, after crossing the southern border into the Rio Grande Valley in Texas, amid a group of 70 people, according to the agency. He was detained in a treatment center for six days before being transferred Sunday to the border patrol post at Weslaco, where he spent his last day.

Unaccompanied minors are usually transferred from the Border Patrol to the Refugee Resettlement Office within 72 hours. However, the transfer processing of Hernandez Vásquez only started on May 16th. The manager did not specify the cause of the delay.

On the same day, Hernandez Vásquez was allowed to call family members to inform them of his status, the official said.

On Sunday, the boy said that he felt ill, according to the border police, and that he had been prescribed to Tamiflu. It is unclear why he was not taken to the hospital and how often he was monitored during his last hours, but the official said that a check of health status had been done one hour before the boy was found unanswered Monday morning.

The medical staff of the establishment could not revive it, said the manager.

In a statement to CBS News, the Guatemalan consulate called for an investigation into the death. The FBI, the local police and the Inspector General of the Department of Homeland Security have opened an investigation, according to the border patrol official.

"The Guatemalan government regrets the death of this Guatemalan boy, offers his condolences to the family and urges the US authorities to rule urgently on the cause of death and deduce the responsibilities that deserve," said the consulate.

US Acting Commissioner for Customs and Border Protection, John Sanders, said in a statement that the agency "is committed to ensuring the health, safety and humane treatment of people under our keep".

"The men and women of US Customs and Border Services are saddened by the tragic loss of this young man and our condolences go to his family," said Sanders. The agency said that the office of the Inspector General of the Department of Homeland Security had been informed, as well as the Guatemalan government and members of Congress.

The boy is the fifth Guatemalan child to die since December after being apprehended at the US border.

In the most recent case, a 2 and a half years arrested on May 14 at the US-Mexico border in El Paso, passed away on May 14. A customs and border protection officer (CBP) aware of the case told CBS News that the family had met with border police officers at the Paso Del Norte Bridge on 3 April. Three days later, the child was hospitalized for an unspecified illness. The family received a notice of appearance in court and was released on oath on April 8.

In another recent case, a 16-year-old boy died on April 19 after being apprehended by border patrol officers near El Paso. The boy, Juan de León Gutiérrez, was sent to a reception center for unaccompanied migrant children. , where staff noticed a few days later that he looked ill. He died nine days in a hospital bed. The Guatemalan Foreign Ministry said in a statement that Gutiérrez had died as a result of a frontal lobe infection of his brain.

There were also two deaths of children in December. Jakelin Caal Maquin, a 7-year-old girl, died of bacterial infection on 8 December after being arrested by border police. And an 8-year-old boy, Felipe Gómez Alonzo, died on Christmas Eve.