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That's not evidence. They're most likely the same person but you'll need to find an actual link between the two accounts. Either way it looks like they both have red trust so they most likely won't be scamming anyone.
Why not? Both accounts state that they own website X. It looks like like pretty decent evidence to m (it's kind-of indirect self-admitting).
So this group of users has abused at least 1 giveaway in their past? Will review and handle when possible.
If I've missed some reports with conclusive proof that are older than 5 days, please PM me.