ibro cufurovic, the lost son who went to syria, spent time here. in this area in northwest bosnia, there are a striing number of new mosques. they were probably financed by the gulf states and saudi arabia. secret services suspect training camps and islamic cells in the region. mr. azinovic: the i.s. see bosnia as a country where you can relax. where i.s.-fighters can change their identies and then can travel on to the eu. where they are able to find new recuits and get logistical support for the i.s. >> border controls are quite lax between the eu member state croatia and northern bosnia. perfect for terrorists who want to smuggle money or weapons into europe. weapons produced in the former yugoslavia were among those used in the paris attacks. friday prayers in velika kladusa. ibro cufurovic used to attend this mosque before he went to syria. many members have long beards, and other distinguishing features of extremely devout muslims. some have lived in germany or austria. >> in kladusa where we live, there are very many devout muslims. bearded m