Sicced the dogs on the intruders.
To command a dog to get a burglar is an example of sic: Sic the dog on the burglar.
To sic a dog on someone.
E. Belfort Bax wrote "... the modern reviewer's taste is not really shocked by half the things he sics or otherwise castigates."
The copied Twitter account posting with lots of spelling and grammar mistakes is an example of something that would be followed with [sic].