>> well, they have long been d they are not a united rebel movement. they do have a lot of differences, they may share the same goals to fight the syrian government. but some groups are more secular than others. others are more politically moderate than others. in this incident it involves division 30. little was made public about this group. this group is willing to fight isil and not the syrian government and this group is willing to cooperate and work with the united states. not many groups are ready to do that. and the front clearly sending a message both to the united states this group and others, who are even thinking about joining the u.s. in the fight against isil, warning them not to do so. targeting division 30 just a day after they entered to syria they received training in turkey. we understand that they were with other groups to coordinate a possible offensive against isil when they attacked their base and abducted their commander as well as a number of fighters. so a message it's not the first time they have targeted groups who received s

rebel groups? >> reporter: from the beginning jane the syrian opposition movement has never been united nationsed. they mayunitedunited.some are secular some have different political positions but what is happening today is the incident involves division 30. this is a group that is ready to fight i.s.i.l. instead of the syrian government and this is a group willing to cooperate with the united states. now, not many are willing. nusra's actions today was really a message to the united states, as well as to the division 13, any other rebel force thinking about cooperating with the united states, nusra saying that they not only targeted the base of the division 30 but it abducted its commander and several of its fighters, accusing them of working for interests of the united states. it is designated as a terrorist organization by the u.s. the coalition fight against i.s.i.l. doesn't include the u.s. but somehow works under the color of nusra giving this strong methodic message not just with the u.s. but that even thinks about cooperating with the u.s. >> it makes you wonder what the future is of the u