I'm not certain, and it's certainly nothing as blatant as in this question. But...
I've just come across these two questions:
Which not only have similar problems but are formatted in almost exactly the same way... even the column and table names in their not working queries are identical... posted at exactly the same time. So far so suspicious.
They both get down-voted a bit, up-voted occasionally. Not much, save on
5th March sql_query somehow got 6 upvotes on 6 different questions within 1 minute. 5 on 3rd March, 8 on 28th Feb, 9 on 24th Feb and somehow managed 100 rep on Feb 18 in 8 minutes.
cool_ravi, however, isn't as popular. (S)He did manage 197 rep in 2 bursts on 9 October ( when incidentally sql_query got 96 ).
I suspect they're up-voting each other.
There's nothing to go on really, they've only accepted each others answers a few times, which is more than reasonable; they joined with a fortnight of each other and live in the same country, meh...
To turn this into a question: is this the correct procedure to report possible sock-puppets?
It was just those identical questions that screamed: