M. A. Andrade and M. A. Ferreira,  "Crime scene investigation with two victims and a perpetrator", in Recent Advance in Statistics Application and Related Areas. Conf. Proc. of the 4th Int. Institute of Statistics & Management Engineering Symp., Zhu, K. L., and Zhang, H., Ed., Dalian, China, Aussino Academic Publishing House, 2011, vol. Part 1, pp. 762-767