NEW MEXICO (KSMX) – New Mexico State Police Chief Pete Kassetas has announced his retirement, after 26 years with the department. Chief Kassetas made the announcement yesterday that he would be retiring as the 21st New Mexico State Police Chief. Chief Kassetas started his career with State Police in 1992. When he began his tenure as chief, State Police manpower was at 513 officers which he increased to 658. He graduated 11 recruit schools totaling 247 new officers, 23 of those being female officers.