Board Thread:Show-Related Questions and Answers/@comment-6302228-20130204065446/@comment-9232373-20130603141714

Sneezy/Clark was in the season fianle, when the dwarves got the memory fixing potion.

When Hook asked Cora who she killed, she said she had no idea. So it won't be anyone she knew from the EF, and won't be anyone of significance in Storybrooke, or else someone would have gone to David and said "Hey Sheriff, I haven't seen Bob in like a week... can ya look for him?"