You have terrorists that have planned out and made several attacks in recent months that we know and believe they came into the countries with the refugees, especially some that came into France. In the Paris attacks, it was stated that at least one of the terrorists had been discovered to have come in with a group which all claimed to be Syrian refugees.
Being told that most of the refugees are women and children, yet when you see pictures it's mostly men, which are adults showing mostly younger men, it can be an issue of believing what is being spoken, especially seeing the stories or videos that state, “there are several accusations that the men are raping their own women in the refugee camps, that if you are alone you are fair game.” There's also been stories regarding how some of the refugees aren't happy with the what we are providing them with for their shelter, clothing, and food along with