D'Souza was referring to Trayvon Martin, the Florida teenager shot and killed by George Zimmerman in 2012. Zimmerman, who pleaded self-defense, was acquitted by a jury earlier this year.
USA Today reported reactions to D'Souza's Tweet included "disgusting" and "vile." One tweet asked: "So is D'Souza's point that Obama should be shot?"
Other reactions included "idiotic" and "pathetic," "outrageously racist," and yet another tweet called on the Secret Service to pay D'Souza a visit.
The president had publicly identified himself with Martin saying, "You know, when Trayvon Martin was first shot, I said that this could have been my son. Another way of saying that is Trayvon Martin could have been me 35 years ago."
D'Souza responded to the rebukes with a follow-up tweet: "Feigned outrage on the left over me calling Obama 'grown up Trayvon' except that Obama likened himself to Trayvon!"
— no stranger to controversy
— spearheaded a documentary last year titled "2016: Obama's America," which criticized the president and his policies and which at least one critic called a character assassination.
In a posting on his website, D'Souza said he believes Obama has sought to undermine American exceptionalism and "take us down a notch."
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