PERSON@1 's son , Jihad PERSON@2 , who headed the ORGANIZATION@1 's military wing and was in line to replace PERSON@1 as leader of the group , was killed by a car bomb in LOCATION@1 on May NUMBER@1 , NUMBER@2 .

His son PERSON@3 was to take over , but was killed by a car bomb in LOCATION@1 in NUMBER@2 .
