On November 2, 2019, Lemoore Police Officer Jonathan Diaz was shot and killed while intervening in a domestic violence incident. He was attending a birthday party at a home on Eddy Street, near Carolyn Avenue, in Hanford when another partygoer was violently assaulted by her boyfriend. Officer Diaz was able to move the woman outside to safety and then returned into the home to de-escalate the incident. As Officer Diaz re-entered the home the man opened fire, killing Officer Diaz and wounding his own father. The subject then killed himself.

Officer Diaz was a three year veteran of the Lemoore Police Department and had previously served with the Huron Police Department for three years. He is survived by three children, his parents, and three siblings.