This post fits the aggression label, by challenging authority and insulting, and the loss label, by evoking incarceration.
a loss label is more suitable, because: 1) though the anger seems to target specific players, the text as a whole reveals that the poster is highlighting institutional violence; and 2) the sad frown emoji, paired with the context that one of the poster's loved ones was recently arrested on a drug charge ("12z" refers to law enforcement's drug unit), cements that the user is grieving in this post.