Sentence:  This high-concept take on low life includes a concealed lethal weapon (by Claire Fontaine); photographic evidence of a <WSD>rubout</WSD> (by Torbjorn Rodland); and cryptic, possibly sinister messages galore from Tauba Auerbach, Daniel Knorr, David Lieske and Matias Faldbakken. 
Meaning of the word marked with <WSD> tags:  An assassination.