Peter Bergen : Of al Qaeda 's affiliates , Al-Shabaab has had deepest links to the Somalia . He says two Americans have died fighting for Al-Shabaab , including suicide bombers . He is buried in a cemetery in Burnsville , a suburb of Minneapolis . Al-Shabaab : Americans invasion of Somalia has played a role in stirring recruitment . He says FBI , Justice Department have cracked down on Americans support .
Peter Bergen : Of al Qaeda 's affiliates , Al-Shabaab has had deepest links to the Somalia . He says two Americans have died fighting for Al-Shabaab , including suicide bombers . Al-Shabaab : Americans invasion of Somalia has played a role in stirring recruitment . He says FBI , Justice Department have cracked down on Americans support .