Chad Wolf endorsed family separation.
One young girl was held so long she forgot her native language, according to the suit.
A new report from a federal watchdog echoes the warnings from mental health experts.
The "central database" officials said they had was missing vital data, without which families couldn't be reunited.
According to the latest data, at least 150 children whose parents have been deported are still stuck in shelters in the U.S.
At least 70 babies under the age of 1 have been invited to personally make their case to an immigration judge about why they should be able to stay in the U.S.
The group shouted at the Senate Majority Leader about the Trump administration's "zero tolerance" immigration policy.
The photo became a symbol of the current family separation crisis on the US-Mexico border.
The Canadian prime minister almost sounded angry with Trump in public today.
On Tuesday, Trump even suggested that the debate over immigration could continue indefinitely.