Miller was a key figure in creating the Trump administration’s policy of separating undocumented migrant children from their families, a policy he even attempted to apply to migrants who presented themselves legally for asylum at ports of entry. Since leaving the White House, he has appeared on Fox News repeatedly to speak about immigration and to lie about the Trump administration’s failed track record of reuniting unaccompanied migrant children.
Miller also has a long history of ties to white nationalism, and during his appearances on Fox he has claimed that immigration was “eroding and destroying” American culture, and fearmongered against Afghan refugees for allegedly being part of a political conspiracy to “change America.” In addition, he has attacked the Biden administration for other practices that were also occurring under the Trump administration, such as transporting migrants and paying legal settlements for abuses.