Ronald Daniel Hanson, 33, was shot and killed in San Francisco’s South of Market neighborhood in the early morning hours of December 21, 2015. He was found with gunshot wounds and was declared dead shortly after emergency responders arrived. The San Francisco Police Department classified the death as a homicide.

Hanson’s killing was counted among 52 homicides in San Francisco in 2015, a year that showed a small increase in violent deaths. The Mayor’s Office has offered rewards ranging from $50,000 to $250,000 for information that leads to arrests and convictions in unsolved homicides.

Anyone who may have seen or heard anything in SoMa on the night of December 21, 2015, or who has information about Ronald Hanson’s death is asked to contact investigators.