Someone please call 911... Silver badges missing

Question

Someone stole my Stack Overflow silver badges a few minutes ago. Four of them!

Snapshot from a tab I had open from a few hours ago:

Snapshot from after the criminal deed:

I'm pretty sure it was 4 Enlightened Badges that went missing. I hope I don't find them for sale on ebay and craigslist!

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I also see that @waffles has been messing with the Enlightened Badges code. Maybe we have a suspect?

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UPDATE:

Ok, I audited my accepted answers with 10 votes or more, and came out with this:

1.  https://stackoverflow.com/questions/3670831/how-does-google-instant-work/3670855#3670855
2.  https://stackoverflow.com/questions/2164179/am-i-suffering-divitis-css-especialist-needed/2164191#2164191
3.  https://stackoverflow.com/questions/2019500/how-can-google-chrome-isolate-tabs-into-seperate-processes-while-looking-like-a-s/2019556#2019556
4.  https://stackoverflow.com/questions/2005079/absolute-vs-relative-urls/2005097#2005097
5.  https://stackoverflow.com/questions/3130197/using-mysql-can-i-sort-a-column-but-have-0-come-last/3130216#3130216 (not sure)
6.  https://stackoverflow.com/questions/2026970/matching-similar-city-names-in-sql/2027025#2027025
7.  https://stackoverflow.com/questions/2142184/is-it-okay-that-i-sometimes-sink-my-exceptions/2142199#2142199
8.  https://stackoverflow.com/questions/2260367/stack-overflow-like-watermarks-in-forms/2260376#2260376
9.  https://stackoverflow.com/questions/2947440/foreign-keys-vs-joins/2947450#2947450
10. https://stackoverflow.com/questions/1910095/reading-web-config-from-javascript/1910140#1910140
11. https://stackoverflow.com/questions/1990475/how-can-i-retrieve-the-favicon-of-a-website/1990487#1990487
12. https://stackoverflow.com/questions/2117933/is-it-considered-bad-practice-to-use-non-standard-html-attributes/2117950#2117950 (not sure)
13. https://stackoverflow.com/questions/2479351/why-do-comments-work-in-stylesheets-but-comments-dont/2479364#2479364
14. https://stackoverflow.com/questions/2446475/is-there-a-tool-like-phpmyadmin-which-can-be-configured-to-access-just-a-single-d/2446504#2446504
15. https://stackoverflow.com/questions/2458735/using-in-a-scripts-source/2458787#2458787
16. https://stackoverflow.com/questions/2465954/how-to-get-the-root-path-in-javascript/2465966#2465966
17. https://stackoverflow.com/questions/2890220/find-the-character-in-a-like-query/2890223#2890223
18. https://stackoverflow.com/questions/2123310/should-i-code-for-browser-or-pc-fleet-management/2123343#2123343
19. https://stackoverflow.com/questions/2786595/what-is-the-correct-http-status-code-to-send-when-a-site-is-down-for-maintenance/2786603#2786603
20. https://stackoverflow.com/questions/2989669/can-i-validate-with-javascript-and-then-process-with-php/2989697#2989697
21. https://stackoverflow.com/questions/3287500/why-arent-these-two-bits-of-javascript-equivalent/3287522#3287522

These all seem to be legit enlightened answers¹ :) ... And that's 21 and not 17 as shown in my trophy cabinet:

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¹ Not 100% sure about 5 and 7, but I remember seeing somewhere on meta that receiving an enlightened badge after an older answer is deleted is intended behaviour.

Answer 1

That would be cause you got them due to a programming error on our side. I just ran the following globally:

delete u 
from Users2Badges u
join Posts p on p.Id = ReasonId and p.Id <> (select MIN(p2.Id) from Posts p2 where p2.DeletionDate is not null and p2.ParentId = p.ParentId )
where BadgeId = (select Id from Badges where Name = 'Enlightened')

This removes any enlightened badges that you got for answers that were not the first answer on a question.

We fixed the bug with enlightened badge a few months ago, but having these invalid badges was causing weird issues

Answer 2

I got all my missing badges back within a few hours. Thanks @waffles.

It looks like other members received their missing badges back as well: @VonC and @Andy E's head confirmed in this thread. @Jon Skeet lost so many badges that it will take the server 7.4 days to grant them back to him!