The Wedge is a maximum-security surface mounted lock pocket with features designed to make it extremely difficult for an inmate to defeat a jail lock
Johns also sent picture messages showing drugs on what was later identified as Johns' kitchen work surface, to which Hunt replied: "You reckon you can get them that brick on the right?" After a further image, showing drugs alongside a knife and a spanner, Hunt replied: "You're the sickest innit, I would have the whole jail locked
down if I had that in here bro."
They overpowered the two officers in charge and then opened the jail locks
. They also killed one security guard, Ramashankar Yadav.
The keys, including one fitting every cell door and another to open most jail locks
, are one of 1,200 sets at the prison.