The term 'PART OF LAPD' can be broken down into two crossword solutions: DEPT (4 letters) and LOS (3 letters). DEPT stands for the Department of the Los Angeles Police Department, which is the primary law enforcement agency in the city of Los Angeles, California. LOS stands for Los Angeles, the most populous city in California and the second most populous city in the United States. The Los Angeles Police Department is responsible for providing public safety services to the citizens of Los Angeles.