fighters armed with rocket propelled renate's, machine guns, and tanks attacked their army base in theouth. >> the islamists who had only been driven out of their last major strongholds are now turning to guerrilla style. >> two of our journalists will be filing a series of reports on the rise of terrorist organizations in parts of africa. we challenges faced in somalia. the smalley a government controls the capital and the islamist group has been pushed back. they are still operating and still launching rains. he hasn't always been a hairdresser. just months ago he was an influential member of the terrorist group, trying to start a new life. >> it is worth it. >> he is happier to talk in a quiet neighborhood outside the city center. near the heavily fortified united nations compound, it is relatively stay -- relatively safe. only here surrounded by armed security men it talks about the terrorist network stretching across africa. >> there are close links to different terrorist groups. this just isn't about -- this isn't just about shared beliefs. fighters often traveled to yemen for tr