As Donald Trump dominates the GOP nomination race and some of his inflammatory comments find favor with the party faithful, CBS News measured how the public feels about his “poisoning the blood” language. A striking number of voters agree with this description of immigrants who enter the U.S. illegally, and among Republicans, associating the remarks with Trump himself makes them even likelier to agree.
https://youtu.be/v283kLQbe1M?t=46
Starts at the time stamp, about 40 seconds in. You just have to listen for about a minute to get the context of “poisoning our blood” use.