A teenager boasted of having "done a bottle shop" in Facebook messages that helped police prove he had robbed one at knifepoint.
The online exchanges, littered with "rolling on the floor laughing" emojis, were revealed in documents tendered to the ACT Supreme Court on Thursday.
Banks man Lachlan Smith, 18, was facing a sentence hearing after pleading guilty to charges of aggravated robbery, trespassing and going equipped for theft.
