[Protect the Bill of Rights]

I don’t know if Cruz put it out or not. If it proves to be a dirty trick, my money would be on Haley Barbour.

[Hulka]

The guy at Post 39 says Cruz’ campaign manager admitted sending it. . .I don’t know, I’m busy doing stuff today and have no idea where a link is proving that allegation.

[kingu]

Yes, it was the Cruz campaign:

Cruz spokesman Rick Tyler confirmed to IJ Review that the mailer was theirs in a phone call Friday evening, saying that the targeting had been ''very narrow, but the caucuses are important and we want people who haven't voted before to vote.'' (link)

[ObozoMustGo2012]

Cruz campaign admitted to doing it

[SeaHawkFan]

Haley Barbour is no fan of Cruz.

[catnipman]

“I don’t know if Cruz put it out or not. “

He apparently did. His campaign manager apparently confirmed it:

http://theconservativetreehouse.com/2016/01/30/unbelievable-ted-cruz-campaign-sends-out-personal-shaming-letters-to-iowa-voters/