Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: @FoxNews @SheriffClarke @FoxNewsInsider This man is an affront to our justice system.
This tweet contains emotions: 
anger, disgust, joy, sadness