This video is a little criticism of other candidates like Marco Rubio, in which we can see a group of people, influding porn actress Amy Lindsay, who starred in movies including "Sex Sent Me To The ER" or "Carnal Wishes" and who describes herself as a Republican and a Christian conservative.
The ad was immediately removed and the Cruz’s press secretary Catherine Frazier assured that they do not knowingly hire porn actors. It seems that the campaign team has forgotten to check the identity of the actress. A little research on Google could have quickly avoided the problem.
You have not had the chance to watch the video, here it is: