Throughout the chase scene, Tabby's tights keep changing from black close-woven to fishnets.
At the end of the newspaper stakeout there is daylight but when Tabby ends the pursuit it is clearly at night / dusk. When she calls to report in to Jim it's still full daylight in the office.
The top suspect Leo Burt was not born or raised in Chicago, but suburban Philadelphia.
While spanning over Janet Reno's desk there are several case files shown. One of them is "World Trade Center". The manifesto was published 09/19/1995, the World Trade Center bombings were on 1993.
(Around 22:30 min) The aerial shot of San Francisco in 1995 shows the SF-Oakland Bay Bridge in the background. The shot shows the new eastern span with its 500 ft tall new main tower lit by LED lights. The main tower of the new span was not fully constructed until late 2011. In 1995, the eastern span of the bay bridge had old cantilever span with a truss causeway that did not have a main tower.