India, March 3 -- A sophisticated intelligence campaign involving hacked traffic cameras, mobile network disruption and human sources reportedly paved the way for the killing of Iran's Supreme Leader, Ayatollah Ali Khamenei, in a US-Israeli air strike in Tehran.

According to a detailed report by the Financial Times, Israeli intelligence services had infiltrated nearly all traffic cameras in Tehran years before the strike.

When senior Iranian officials arrived at offices near Pasteur Street - the location where Khamenei was killed on Saturday - Israeli operatives were monitoring their movements in real time.

One particular camera angle reportedly provided an unusually clear view into part of the tightly guarded leadership compound.

Ana...