Donald Trump ad says illegal immigrants would be collecting Social Security under Hillary Clinton

Donald Trump's first ad of the general election campaign focuses on immigration, predicting what will happen if Hillary Clinton is elected.

"In Hillary Clinton's America," it warns, "illegal immigrants convicted of committing crimes get to stay, collecting Social Security benefits, skipping the line. Our border open, it's more of the same, but worse."

We've previously looked at whether illegal immigrants convicted of crimes get to stay in the United States, a statement that rates Half True. But what about his other claim about immigrants getting Social Security?...
http://www.politifact.com/truth-o-meter/statements/2016/aug/24/donald-trump/donald-trump-ad-says-illegal-immigrants-would-be-c/