Weiss was the only member of Sydney's CIA "family" who wasn't recruited into the black-ops division of the CIA, dubbed "APO," at the start of the fourth season, but this was soon rectified when he learned of the existence of APO during a mission in the third episode of the season.
Weiss a fost singurul membru din "familia" lui Sydney de la CIA, care nu a fost recrutat la divizia secretă APO la începutul sezonului 4, dar acest lucru a fost rectificat curând -atunci când a aflat de existența APO în timpul unei misiuni din episodul al treilea al sezonului 4.