Former wrestler, border hawk: Who is Markwayne Mullin, Trump’s new Homeland Security pick?

The Republican senator has been selected to replace Kristi Noem as DHS head amid the continued standoff with Democrats over immigration

US President Donald Trump has named Senator Markwayne Mullin of Oklahoma as his nominee for secretary of homeland security.

Mullin replaces Kristi Noem, who was dismissed following bipartisan criticism over her handling of the deaths of Renee Good and Alex Pretti, both killed by immigration officers in Minneapolis.