believed to be linked to a suspicious facebook page. the family is not only upset, they are also blaming donald trump. >> i think donald trump's theory played a part in it because otherwise, why wasn't anyone else held up on that flight? just one muslim family. >> rene marsh is "outfront." what more are you learning about why that family was barred from getting on? >> nine of the 11 people within this family, this british muslim family, they were at the gait when they were denied boarding for a flight to california. the airline, norwegian airlines, says it was at the instruction of u.s. homeland security. there are a wide range of reasons beyond terrorism why someone would be denied boarding from open criminal cases to full -- to not fully disclosing past travel, to incomplete travel documents, even