Nick Muñoz Alfaro, 54, was killed in San Diego, California, on May 5, 2010. His death occurred amid a wider pattern of homicides in the city during that period, when violent incidents rose and fell month to month.

Reports place Alfaro’s case within a troubling trend that disproportionately affected the city’s Hispanic population, a community that experienced a notable share of homicides in that decade.

If anyone knew Nick Muñoz Alfaro, his routines, or has information about what happened in San Diego on or around May 5, 2010, please come forward.