kneecapping

/N IY1 K AE0 P IH0 NG/
noun
  1. 1

    The act of injuring the knees of (a person), usually by shooting at the knees; often a punishment carried out by criminals or terrorists.

    โ€œFive kneecappings have been reported this month.โ€

Source: https://en.wiktionary.org/wiki/kneecapping