Love your neighbor as yourself, or else.
Leave the migrants in peace to be, because they ALL have the potential to be good and peaceful...
....like in Russia recently,
https://www.dailymail.co.uk/news/article-13560507/russia-terror-gunman-synagogues-police-dead.html
or in France in 2016,
https://www.reuters.com/article/world/islamists-attack-french-church-slit-priest-s-throat-idUSKCN1060VB/