Lieutenant Mario Leon joined UAPD in January, 2006. Since that time he has served in uniformed patrol, bicycle patrol, investigations, and as a field training officer. Lieutenant Leon is also a UAPD firearms instructor/armorer and defensive tactics instructor. Mario was promoted to Corporal in 2008, and in 2010 promoted to Sergeant, before being promoted to Lieutenant in April, 2013. Prior to coming to UAPD, Lt. Leon worked 9 ½ years for the Santa Cruz Police Department in California. His prior experience included assignments in patrol, school resource officer, investigations (computer fraud/sex crimes/domestic violence), crime scene investigations, and hostage negotiations.