Elite: Dangerous PvE - Mobius

I dicted him then just stood looking at him and he turned red and attacked me so I killed him then two system ships came so I left quick, will I get back in the station as long has I'm not scanned

Hi I've just just done a mission from OoM in Exioce to kill the scum Laxtop in Azrael , I've got him now I'm Wanted in Azrael , he wasn't OoM he was another clan , How can I do a job for OoM and now be wanted by OoM Its all the same faction intit, am I now fair bounty for other Mobius members.