SANTA ANA, Calif. (KABC) -- A 16-year-old boy was shot and killed by police following a family dispute inside an apartment complex in Santa Ana overnight. The deadly incident unfolded around 10:30 p.m. Sunday on the 3400 block of Main Street. The Santa Ana Police Department says a 53-year-old man called 911, reporting that his girlfriend's 16-year-old son had stabbed him with a knife and was damaging property while under the influence.