Here is a link to "Reliance of the Traveler", for anyone interested, it is the go to source about Sharia. On page 507 its says parents will not be subject to retaliation for killing their offspring or that offspring's offspring.
Here is a list of people kept from entering the US. Our government thinks these people are dangerous. Can everyone see that making an educated guess these people are Muslims. And then deduce they are Islamic. All 1,109 pages. https://www.treasury.gov/ofac/downloads/sdnlist.pdf