Suspicious packages were mailed to prominent Democrats, critics of President Trump and CNN. Given what you know about it, which one of the following factors do you think is mainly to blame for these kinds of incidents?

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Source: NPR/PBS NewsHour/Marist poll of 924 U.S. adults conducted Oct. 28-29. “Overall” results reflect all respondents, and the margin of error is 4.2 percentage points. Party affiliation results reflect the 822 respondents who identified as registered voters, and the margin of error is 4.4 percentage points. “Unsure” responses not shown.

Credit: Alyson Hurt/NPR