From the Herald Sun article linked a few posts above,
"Marshall Islands immigration chief Damien Jacklick said authorities were still gathering information and the foreign affairs department planned to contact overseas officials to arrange his repatriation.
"With the help of the US ambassador, we were able to obtain information on his family
members in El Salvador and the United States," he told AFP. "We hope this information will help us track down his family
." Medics plan to give Albarengo a thorough check before he is interviewed by detectives."