It’s now been more than four months since Jack, who was 22 at the time,
was seen walking home from a party in the Hotwells area of the city on 2 March, at 3.13am.
Two further sightings likely to be him were made at 3.25am, and then at 3.38am.
According to Avon and Somerset Police, he also attempted to call a friend at 3.24am - but when the friend called back, Jack answered before the call was cut off.
A major search operation has since taken place involving family, friends and police with
leaflets offering a £20,000 reward put up around the area he was last seen.
Bristol student was last seen four months ago after leaving a house party
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