 Cruz himself has jocularly alluded to the meme by tweeting one of the Zodiac Killer's cryptograms; first in October 2017 responding to a retweet from Senator Ben Sasse referring to Cruz as "the son of the guy who killed Kennedy" (a reference to a conspiracy theory involving Rafael Cruz) and then wishing a "Happy Halloween" in 2018.After the edited image showing the question on Google trended, the meme spread into popular culture.Books about Cruz being the Zodiac Killer, including romantic ones, were listed on Amazon.com.