Keith Lang, 61, and his son Bryan Lang, 29, were shot to death at their home on Rancho Drive in San Jose on September 23, 2014, at about 9 p.m. Police responding to a 911 call found both men dead at the scene. A woman who was present was injured in the incident but not by gunfire and was hospitalized with non-life-threatening injuries.

Investigators say the shooting occurred during a robbery at the property, which housed a mobile-home repair business operated by Keith Lang. No suspects were immediately identified or arrested after the killings, but authorities kept the case active as they sought those responsible. Keith is remembered by family as a hardworking, devoted husband and father whose loss deeply affected the community.

If anyone has information about the robbery or those involved, please share tips with San Jose investigators.