So odd thing happened to me. I completed all of the companion quest and became the leader but the other day i was on my way to the skyforge and Ria came out of nowhere and started to attack me for no reason so i was forced to kill her, then all the other comapnions passed by her corpse and said things like: who could have done this. Has this happened to anyone else and if it's a bug is there any way to bring her back?

Transform her corpse into a Zombie? :run:

She probably was jealous of your new status.

Score another point to Bethesda for detail! Women going psycho for no apparent reason and trying to kill someone. Maybe she was in love with you and saw you checking out someone else. Maybe you forgot her birthday. Whatever the reason, she went nuts and tried to kill you. I say kudos to the programmers that thought to put that in.

Lol I hope that's not a bug.

And I killed like half the companions because the first time I went they were having a fist fight and I wanted in, so I attacked. Well they didn't realize I was sparring sooooo... Bye bye companions.