After an occasionally rocky start in his new post, Homeland Security Secretary Markwayne Mullin won an internal debate when President Donald Trump announced he was nominating Lance Schroyer, a former Oklahoma state trooper, to lead Immigration and Customs Enforcement, five sources familiar with the dynamic told CNN.

President Donald Trump says he is nominating Lance Schroyer as the next director of Immigration and Customs Enforcement. Schroyer is a former Oklahoma state trooper.

Donald Trump has nominated Oklahoma law enforcement veteran Lance Schroyer to lead ICE, highlighting his immigration enforcement experience and leadership.