This sounds like a fascinating conference with important ramifications for forensic linguistics (discourse analysis etc):

BYDGOSZCZ, POLAND 23-24 MAY 2013

http://impolin.com.pl/

The proposed topics for papers include, but are not limited to: theoretical frameworks - Neo-Gricean approaches to impoliteness - Discursive approaches to impoliteness - Relevance-theoretic approach to impoliteness - Cognitive linguistics in impoliteness research - Corpus-based studies of impoliteness - Sociolinguistic aspects of impoliteness - Pragmatic approaches to impoliteness, etc. Categories of description - disagreement - rudeness - ignorance - aggravation - offence - verbal aggression - sarcasm - mock politeness - humour and impoliteness - using taboo words - swearing and expletives, etc. Possible scope of empirical studies - impoliteness in translation (including literary and audiovisual translation, in particular in subtitles) - impoliteness in computer-mediated discourse - impoliteness in courtship setting - impoliteness in educational setting - impoliteness in institutional setting - impoliteness in interpersonal setting (face-face and multi-party conversations) - impoliteness across dialects and genres - impoliteness and power - impoliteness and identity - impoliteness and miscommunication - intentional and unintentional impoliteness - impoliteness perception and interpretation - impoliteness strategies - impoliteness and rapport management - linguistic and nonlinguistic impoliteness - impoliteness and prosody - multimodal approaches to impoliteness, etc.