With that in mind can you think of anything in that genre that would explain his handle. EOM
I think EOM doesn't mean anything except for End Of Message. Nothing really significant. I think the key thing is that Gadahn is living in Karachi, Pakistan, working as an Al Qaeda translator with access to operations information. I don't think he's a suicide operative. I think he's a propagandist who is very close to what is going on via his role as a translator and monitor of US news sites.