By Simon Murphy A former Post Office investigator from the Horizon scandal has a plum job at a Premier League football club. Adrian Morris joined Brighton and Hove Albion the year after giving evidence at the trial of wrongfully convicted sub-postmistress Seema Misra. Seema was pregnant at the time and considered killing herself when she was sentenced to 15 months in jail for theft and false accounting in 2010. Mr Morris joined the Seagulls the following year and in 2014 was made Head of Safety and Security. His role emerged as the inquiry into the Post Office’s Horizon IT scandal continues. S…