Permbanned, Riot refuses to provide anything about previous 2 week ban

Made my perma ban post the other day, but just wondering if anyone else has ever tried to get info about an old ban? Riot is refusing to provide anything regarding my 2 week ban. I have asked Riot in multiple support tickets to show me whatever info they have about a 2 week suspension and they have refused. I have no recollection of ever receiving a 2 week ban, and definitely have every email from Riot going back 5 years. They're just claiming they didn't send an email and refusing to provide any other info about the ban. They just keep refusing and closing my support tickets. In my last ticket they just closed it without even saying anything. I have opened another ticket and will see if this one gets me the info, but this seems strange.
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