A young boy peers from the Mexican side of the US-Mexico border fence in Anapra, Texas.

Who are the 1,475 unaccounted for immigrant children?

Updated 10:36 PM ET, Mon June 4, 2018

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

(CNN)Questions abound about the 1,475 immigrant children the US government has been unable to co