First time in the series when a hand held radio is used. Reed uses it to notify the Sergeant of the wounded lady in her apartment.
The gold (white top) 1968 Ford Mustang coupe "crew car" is seen pulling on the street where the sniper is shooting.
SWAT = Special Weapons and Tactics. SWAT was originated with the LAPD. LAPD started the first SWAT unit in 1967.
Sergeant Gus Baron (Lew Brown) refers to a SWAT training at Camp Pendleton involving a tall building they used similar to their current situation. Camp Pendleton is a Marine Corps base located south of the the Los Angeles metro area and north of San Diego.