Sybil Brand Institute was a women's jail in Los Angeles County. It closed in 1997.
When Reed and Malloy are submitting their report on the swimwear factory burglars, Officer Gannon from Dragnet 1967 (1967), portrayed by Harry Morgan, can be seen walking by in the hall. The man that walked by Sgt. Mcdonalds office was not Harry Morgan who was still playing the part of officer Bill Gannon on Dragnet. The man in this episode had white hair Harry Morgan did not have at that time.
The scene with the child's head stuck in the fence is similar to a Leave It To Beaver Show where Beaver gets his head stuck in a fence. Price of Fame (1959)
Code 4 = no further assistance required.
Code 2 = urgent, no lights or siren.