UNITED NATIONS (AP) — The head of a U.N. body established to determine what happened to potentially hundreds of thousands of people missing in Syria said Wednesday it was essential to find a way to work together with a new Syrian commission. Assistant Secretary-General Karla Quintana said the Independent Institution on Missing Persons in Syria, established in 2023, was only able to enter the country in January, a month after the overthrow of President Bashar Assad, whose family had ruled Syria