Arpaio espouses a hard-line stance on illegal immigration, leading raids to round up and jail illegal immigrants, and was a major proponent of the controversial Arizona immigration law. Perry has spoken with Arpaio several times over the phone since entering the presidential race.

Arpaio, a much sought after endorsement in the GOP field, plans to campaign with Perry in New Hampshire next week, the source said. The Texas governor will be in the Granite State Tuesday and Wednesday, holding three town halls and a breakfast at the Nashua Chamber of Commerce along with speaking at the New Hampshire State House…

Over the past three months, Arpaio has sent short missives over Twitter indicating his courtship by Republican candidates. Arpaio met Rep. Michele Bachmann in September and Herman Cain in October, and he has spoken over the phone with Mitt Romney. In 2008, Arpaio endorsed Romney over Sen. John McCain.