...Wikipedia, for however much it's worth, specifies that it *was* the "Southern California Police Department." Aaron Spelling and Leonard Goldberg had a habit of fictionalising the settings of their cop series; Starsky & Hutch belonged to the P.D. of Bay City, California, T.J. Hooker was on the "L.C.P.D." (wherever that was); and S.W.A.T. was part of the "W.C.P.D." The only Spelling cop show that specified an actual city was Burke's Law, wherein Amos Burke was specifically a Los Angeles Police Department homicide division Captain...Lkeller said:I recall that The Rookies was generica West Coast - the city was never mentioned, but the uniform emblems said "SCPD"...presumably for Southern California.