Linahan's usual call sign was 7 Mary 10, however Bobby Nelson refers to her as 7 Mary 9 while the kids are on surveillance.
Kathy Shower played Cindy, the ER nurse who was Poncherello's girlfriend of the week. This was her second and final role on the series. She had appeared two months earlier in Return to Death's Door (1982) as a criminal arrested by Poncherello and Bobby Nelson. The actress went on to be Playmate of the year in 1986.
The shopping center at the beginning of the episode is in Agoura Hills, CA.
Stock AM radios are standard equipment in Camaros. They dont have a high resale value and wouldn't be worth the effort to steal one.