Continuity mistake: Inspector Lebel's level of grey hair colour varies quite markedly back and forth during the movie.
Continuity mistake: When the Jackal is parking his car near the hotel, he parks in a small gap between two cars. When he gets out of his car, the leftmost car is gone.
Continuity mistake: The first time we see the beautiful Alfa Romeo Spider, the registration plate at the end of the car says GE1761, without a space between GE and 17. The next time we see the car, when he practices shooting in the the woods, the plate says GE 1761 with a huge space between GE and 17.
Continuity mistake: When the Jackal boards the train to go to the gun maker, the clock outside the station shows 11 o'clock. When he comes through the door, the overhead clock shows 9 o'clock. When he boards the train, an overhead clock shows 11 o'clock.
Continuity mistake: When the Jackal assembles the gun, to shoot the President, he puts the pieces on the table. Next shot the table is clear as he puts a chair on top to steady the gun.
Continuity mistake: Two straps are on the suitcase presented at Ventimiglia, but after the contents have been checked, there is only one strap.
Continuity mistake: After the Jackal has boarded the train to Paris, we see two subsequent shots of a different train.
Continuity mistake: The Jackal is driving a car with the registration GE 16 17 41 when he crosses the border into France from Italy. When Level later receives notification that the Jackal has crossed the border, he recites the registration to Caron but tells him it is GE 17 41.
Answer: He would have just slipped away into the crowd, probably with some minor alteration to his appearance. He was a master of disguise and no one knew his real identity or what he looked like.
raywest ★