Lemarcus Alexander, 39, was found shot and killed in Memphis, Tennessee, on December 3, 2016. He suffered fatal gunshot wounds during a weekend that included multiple other shootings and came amid a year of record-high homicides in the city.

Police did not initially release suspect information in Alexander’s killing. Investigations into Memphis-area shootings around that time noted that social media interactions, including threatening Facebook messages, have sometimes helped solve homicides, though it is not clear whether such evidence played a role in this case. Authorities continued to seek tips from the public through CrimeStoppers as they worked on numerous unsolved violent crimes.

If anyone knew Lemarcus Alexander or has information about what happened on December 3, 2016, please share what you know.