Inas Abulsayen has seen her sons Amer , Abdullah and Jaffar Deghayes travel to Syria and join Al Nusra Front . Adbullah , 18 , and Jaffar , 17 , are now dead while Amer , 20 , is still in Syria . The family of the two boys who were killed by a drone strike on their home have been left devastated after they could not find out what happened to them or where they went. Pleads for Amer to return to their home in Sussex after brothers ' deaths .
Inas Abulsayen has seen her sons Amer , Abdullah and Jaffar Deghayes travel to Syria and join Al Nusra Front . Adbullah , 18 , and Jaffar , 17 , are now dead while Amer , 20 , is still in Syria . Mother says her sons were brainwashed by YouTube and their friends . Pleads for Amer to return to their home in Sussex after brothers ' deaths .