Luke Walker is a paramedic for the Los Santos Emergency Medical Services.
On May 4th, 2018, Luke accidentally fell off the ski lift at the top of Mount Chiliad. Assistant Director Mason rescued him and then air transported him to Crusade Medical where doctors tried to get him breathing by himself. Luke sustained severe trauma from the accident but made a full recovery and is back on duty. As of January 16, 2019, Luke was promoted to Deputy Chief.