Sequence 4 - Cable News and On the Origin of Syrup: Assassin's Creed: Syndicate Walkthrough
Graham Bell informs the cables which he ordered never arrived as the Cargo was seized at college Wharf and secondly Jacob continues to find the origin of the syrup with Charles Darwin.
Graham Bell informs about Starrick's latest lies which were written in the Newspaper and also for the cables which he ordered never arrived the Cargo was seized at college Wharf. Your mission was to seize it. Bell as provides you with his new inventory of dart blades which can work with your hidden blade.
Head to marked location to hunt for the missing crew and kill all the Blighters. Side Objective to kill them using the new darts also tries them on fire source near enemies. Now Locate the cable lines which were seized and free them.
Once your Done with the cartes and after the cutscene make your run towards the cargo ship and loot the last crate on the ship which happens to be a goof as it was the crate with Poison.
Simple head back to Bell's workshop to complete this mission, but you see Bell already knew about your success due to his invention to communication Greewich had informed him.
On the Origin of Syrup
The Mission start with the cutscene where is arguing with Richard Owen about some anonymous article, but Owen leave with his carriage and our job is to hijack his carriage as he is the one who knows about the Syrup's origin.
All you need to do is hijack his carriage, do maximum damage till he is scared and says loud and clear about the information of the Syrup.